18279976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 43898400

約数和(自身を除く): 25618424

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 29, 38, 44, 52, 58, 76, 88, 104, 116, 143, 152, 209, 232, 247, 286, 319, 377, 418, 494, 551, 572, 638, 754, 836, 841, 988, 1102, 1144, 1276, 1508, 1672, 1682, 1976, 2204, 2552, 2717, 3016, 3364, 4147, 4408, 5434, 6061, 6728, 7163, 8294, 9251, 10868, 10933, 12122, 14326, 15979, 16588, 18502, 21736, 21866, 24244, 28652, 31958, 33176, 37004, 43732, 48488, 57304, 63916, 74008, 78793, 87464, 120263, 127832, 157586, 175769, 207727, 240526, 315172, 351538, 415454, 481052, 630344, 703076, 830908, 962104, 1406152, 1661816, 2284997, 4569994, 9139988, 18279976]

約数ペア:

[(1, 18279976), (2, 9139988), (4, 4569994), (8, 2284997), (11, 1661816), (13, 1406152), (19, 962104), (22, 830908), (26, 703076), (29, 630344), (38, 481052), (44, 415454), (52, 351538), (58, 315172), (76, 240526), (88, 207727), (104, 175769), (116, 157586), (143, 127832), (152, 120263), (209, 87464), (232, 78793), (247, 74008), (286, 63916), (319, 57304), (377, 48488), (418, 43732), (494, 37004), (551, 33176), (572, 31958), (638, 28652), (754, 24244), (836, 21866), (841, 21736), (988, 18502), (1102, 16588), (1144, 15979), (1276, 14326), (1508, 12122), (1672, 10933), (1682, 10868), (1976, 9251), (2204, 8294), (2552, 7163), (2717, 6728), (3016, 6061), (3364, 5434), (4147, 4408)]