18839521116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{390829}}^1$

素因数の和:390955

約数の個数: 72

約数和(自身を含む): 51783411680

約数和(自身を除く): 32943890564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 412, 468, 618, 927, 1236, 1339, 1854, 2678, 3708, 4017, 5356, 8034, 12051, 16068, 24102, 48204, 390829, 781658, 1172487, 1563316, 2344974, 3517461, 4689948, 5080777, 7034922, 10161554, 14069844, 15242331, 20323108, 30484662, 40255387, 45726993, 60969324, 80510774, 91453986, 120766161, 161021548, 182907972, 241532322, 362298483, 483064644, 523320031, 724596966, 1046640062, 1449193932, 1569960093, 2093280124, 3139920186, 4709880279, 6279840372, 9419760558, 18839521116]

約数ペア:

[(1, 18839521116), (2, 9419760558), (3, 6279840372), (4, 4709880279), (6, 3139920186), (9, 2093280124), (12, 1569960093), (13, 1449193932), (18, 1046640062), (26, 724596966), (36, 523320031), (39, 483064644), (52, 362298483), (78, 241532322), (103, 182907972), (117, 161021548), (156, 120766161), (206, 91453986), (234, 80510774), (309, 60969324), (412, 45726993), (468, 40255387), (618, 30484662), (927, 20323108), (1236, 15242331), (1339, 14069844), (1854, 10161554), (2678, 7034922), (3708, 5080777), (4017, 4689948), (5356, 3517461), (8034, 2344974), (12051, 1563316), (16068, 1172487), (24102, 781658), (48204, 390829)]