18449816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 43925760

約数和(自身を除く): 25475944

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 61, 77, 88, 122, 154, 244, 308, 427, 488, 491, 616, 671, 854, 982, 1342, 1708, 1964, 2684, 3416, 3437, 3928, 4697, 5368, 5401, 6874, 9394, 10802, 13748, 18788, 21604, 27496, 29951, 37576, 37807, 43208, 59902, 75614, 119804, 151228, 209657, 239608, 302456, 329461, 419314, 658922, 838628, 1317844, 1677256, 2306227, 2635688, 4612454, 9224908, 18449816]

約数ペア:

[(1, 18449816), (2, 9224908), (4, 4612454), (7, 2635688), (8, 2306227), (11, 1677256), (14, 1317844), (22, 838628), (28, 658922), (44, 419314), (56, 329461), (61, 302456), (77, 239608), (88, 209657), (122, 151228), (154, 119804), (244, 75614), (308, 59902), (427, 43208), (488, 37807), (491, 37576), (616, 29951), (671, 27496), (854, 21604), (982, 18788), (1342, 13748), (1708, 10802), (1964, 9394), (2684, 6874), (3416, 5401), (3437, 5368), (3928, 4697)]