18915336

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 41564664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 88, 99, 108, 114, 132, 152, 171, 198, 209, 216, 228, 264, 297, 342, 396, 418, 419, 456, 513, 594, 627, 684, 792, 836, 838, 1026, 1188, 1254, 1257, 1368, 1672, 1676, 1881, 2052, 2376, 2508, 2514, 3352, 3762, 3771, 4104, 4609, 5016, 5028, 5643, 7524, 7542, 7961, 9218, 10056, 11286, 11313, 13827, 15048, 15084, 15922, 18436, 22572, 22626, 23883, 27654, 30168, 31844, 36872, 41481, 45144, 45252, 47766, 55308, 63688, 71649, 82962, 87571, 90504, 95532, 110616, 124443, 143298, 165924, 175142, 191064, 214947, 248886, 262713, 286596, 331848, 350284, 429894, 497772, 525426, 573192, 700568, 788139, 859788, 995544, 1050852, 1576278, 1719576, 2101704, 2364417, 3152556, 4728834, 6305112, 9457668, 18915336]

約数ペア:

[(1, 18915336), (2, 9457668), (3, 6305112), (4, 4728834), (6, 3152556), (8, 2364417), (9, 2101704), (11, 1719576), (12, 1576278), (18, 1050852), (19, 995544), (22, 859788), (24, 788139), (27, 700568), (33, 573192), (36, 525426), (38, 497772), (44, 429894), (54, 350284), (57, 331848), (66, 286596), (72, 262713), (76, 248886), (88, 214947), (99, 191064), (108, 175142), (114, 165924), (132, 143298), (152, 124443), (171, 110616), (198, 95532), (209, 90504), (216, 87571), (228, 82962), (264, 71649), (297, 63688), (342, 55308), (396, 47766), (418, 45252), (419, 45144), (456, 41481), (513, 36872), (594, 31844), (627, 30168), (684, 27654), (792, 23883), (836, 22626), (838, 22572), (1026, 18436), (1188, 15922), (1254, 15084), (1257, 15048), (1368, 13827), (1672, 11313), (1676, 11286), (1881, 10056), (2052, 9218), (2376, 7961), (2508, 7542), (2514, 7524), (3352, 5643), (3762, 5028), (3771, 5016), (4104, 4609)]