19918878672

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{69991}}^1$

素因数の和:70038

約数の個数: 180

約数和(自身を含む): 65795559648

約数和(自身を除く): 45876680976

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 121, 132, 147, 154, 168, 176, 196, 231, 242, 264, 294, 308, 336, 363, 392, 462, 484, 528, 539, 588, 616, 726, 784, 847, 924, 968, 1078, 1176, 1232, 1452, 1617, 1694, 1848, 1936, 2156, 2352, 2541, 2904, 3234, 3388, 3696, 4312, 5082, 5808, 5929, 6468, 6776, 8624, 10164, 11858, 12936, 13552, 17787, 20328, 23716, 25872, 35574, 40656, 47432, 69991, 71148, 94864, 139982, 142296, 209973, 279964, 284592, 419946, 489937, 559928, 769901, 839892, 979874, 1119856, 1469811, 1539802, 1679784, 1959748, 2309703, 2939622, 3079604, 3359568, 3429559, 3919496, 4619406, 5389307, 5879244, 6159208, 6859118, 7838992, 8468911, 9238812, 10288677, 10778614, 11758488, 12318416, 13718236, 16167921, 16937822, 18477624, 20577354, 21557228, 23516976, 25406733, 27436472, 32335842, 33875644, 36955248, 37725149, 41154708, 43114456, 50813466, 54872944, 59282377, 64671684, 67751288, 75450298, 82309416, 86228912, 101626932, 113175447, 118564754, 129343368, 135502576, 150900596, 164618832, 177847131, 203253864, 226350894, 237129508, 258686736, 301801192, 355694262, 406507728, 414976639, 452701788, 474259016, 603602384, 711388524, 829953278, 905403576, 948518032, 1244929917, 1422777048, 1659906556, 1810807152, 2489859834, 2845554096, 3319813112, 4979719668, 6639626224, 9959439336, 19918878672]

約数ペア:

[(1, 19918878672), (2, 9959439336), (3, 6639626224), (4, 4979719668), (6, 3319813112), (7, 2845554096), (8, 2489859834), (11, 1810807152), (12, 1659906556), (14, 1422777048), (16, 1244929917), (21, 948518032), (22, 905403576), (24, 829953278), (28, 711388524), (33, 603602384), (42, 474259016), (44, 452701788), (48, 414976639), (49, 406507728), (56, 355694262), (66, 301801192), (77, 258686736), (84, 237129508), (88, 226350894), (98, 203253864), (112, 177847131), (121, 164618832), (132, 150900596), (147, 135502576), (154, 129343368), (168, 118564754), (176, 113175447), (196, 101626932), (231, 86228912), (242, 82309416), (264, 75450298), (294, 67751288), (308, 64671684), (336, 59282377), (363, 54872944), (392, 50813466), (462, 43114456), (484, 41154708), (528, 37725149), (539, 36955248), (588, 33875644), (616, 32335842), (726, 27436472), (784, 25406733), (847, 23516976), (924, 21557228), (968, 20577354), (1078, 18477624), (1176, 16937822), (1232, 16167921), (1452, 13718236), (1617, 12318416), (1694, 11758488), (1848, 10778614), (1936, 10288677), (2156, 9238812), (2352, 8468911), (2541, 7838992), (2904, 6859118), (3234, 6159208), (3388, 5879244), (3696, 5389307), (4312, 4619406), (5082, 3919496), (5808, 3429559), (5929, 3359568), (6468, 3079604), (6776, 2939622), (8624, 2309703), (10164, 1959748), (11858, 1679784), (12936, 1539802), (13552, 1469811), (17787, 1119856), (20328, 979874), (23716, 839892), (25872, 769901), (35574, 559928), (40656, 489937), (47432, 419946), (69991, 284592), (71148, 279964), (94864, 209973), (139982, 142296)]