18677484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 54451488

約数和(自身を除く): 35774004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 541, 548, 822, 959, 1082, 1233, 1623, 1644, 1918, 2164, 2466, 2877, 3246, 3787, 3836, 4869, 4932, 5754, 6492, 7574, 8631, 9738, 11361, 11508, 15148, 17262, 19476, 22722, 34083, 34524, 45444, 68166, 74117, 136332, 148234, 222351, 296468, 444702, 518819, 667053, 889404, 1037638, 1334106, 1556457, 2075276, 2668212, 3112914, 4669371, 6225828, 9338742, 18677484]

約数ペア:

[(1, 18677484), (2, 9338742), (3, 6225828), (4, 4669371), (6, 3112914), (7, 2668212), (9, 2075276), (12, 1556457), (14, 1334106), (18, 1037638), (21, 889404), (28, 667053), (36, 518819), (42, 444702), (63, 296468), (84, 222351), (126, 148234), (137, 136332), (252, 74117), (274, 68166), (411, 45444), (541, 34524), (548, 34083), (822, 22722), (959, 19476), (1082, 17262), (1233, 15148), (1623, 11508), (1644, 11361), (1918, 9738), (2164, 8631), (2466, 7574), (2877, 6492), (3246, 5754), (3787, 4932), (3836, 4869)]