18399888

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{9829}}^1$

素因数の和:9856

約数の個数: 60

約数和(自身を含む): 55460860

約数和(自身を除く): 37060972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 9829, 19658, 29487, 39316, 58974, 78632, 88461, 117948, 127777, 157264, 176922, 235896, 255554, 353844, 383331, 471792, 511108, 707688, 766662, 1022216, 1149993, 1415376, 1533324, 2044432, 2299986, 3066648, 4599972, 6133296, 9199944, 18399888]

約数ペア:

[(1, 18399888), (2, 9199944), (3, 6133296), (4, 4599972), (6, 3066648), (8, 2299986), (9, 2044432), (12, 1533324), (13, 1415376), (16, 1149993), (18, 1022216), (24, 766662), (26, 707688), (36, 511108), (39, 471792), (48, 383331), (52, 353844), (72, 255554), (78, 235896), (104, 176922), (117, 157264), (144, 127777), (156, 117948), (208, 88461), (234, 78632), (312, 58974), (468, 39316), (624, 29487), (936, 19658), (1872, 9829)]