18901428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 57200640

約数和(自身を除く): 38299212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 911, 988, 1092, 1482, 1596, 1729, 1822, 2733, 2964, 3458, 3644, 5187, 5466, 6377, 6916, 10374, 10932, 11843, 12754, 17309, 19131, 20748, 23686, 25508, 34618, 35529, 38262, 47372, 51927, 69236, 71058, 76524, 82901, 103854, 121163, 142116, 165802, 207708, 225017, 242326, 248703, 331604, 363489, 450034, 484652, 497406, 675051, 726978, 900068, 994812, 1350102, 1453956, 1575119, 2700204, 3150238, 4725357, 6300476, 9450714, 18901428]

約数ペア:

[(1, 18901428), (2, 9450714), (3, 6300476), (4, 4725357), (6, 3150238), (7, 2700204), (12, 1575119), (13, 1453956), (14, 1350102), (19, 994812), (21, 900068), (26, 726978), (28, 675051), (38, 497406), (39, 484652), (42, 450034), (52, 363489), (57, 331604), (76, 248703), (78, 242326), (84, 225017), (91, 207708), (114, 165802), (133, 142116), (156, 121163), (182, 103854), (228, 82901), (247, 76524), (266, 71058), (273, 69236), (364, 51927), (399, 47372), (494, 38262), (532, 35529), (546, 34618), (741, 25508), (798, 23686), (911, 20748), (988, 19131), (1092, 17309), (1482, 12754), (1596, 11843), (1729, 10932), (1822, 10374), (2733, 6916), (2964, 6377), (3458, 5466), (3644, 5187)]