18538968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 53372160

約数和(自身を除く): 34833192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 163, 168, 326, 489, 652, 677, 978, 1141, 1304, 1354, 1956, 2031, 2282, 2708, 3423, 3912, 4062, 4564, 4739, 5416, 6846, 8124, 9128, 9478, 13692, 14217, 16248, 18956, 27384, 28434, 37912, 56868, 110351, 113736, 220702, 331053, 441404, 662106, 772457, 882808, 1324212, 1544914, 2317371, 2648424, 3089828, 4634742, 6179656, 9269484, 18538968]

約数ペア:

[(1, 18538968), (2, 9269484), (3, 6179656), (4, 4634742), (6, 3089828), (7, 2648424), (8, 2317371), (12, 1544914), (14, 1324212), (21, 882808), (24, 772457), (28, 662106), (42, 441404), (56, 331053), (84, 220702), (163, 113736), (168, 110351), (326, 56868), (489, 37912), (652, 28434), (677, 27384), (978, 18956), (1141, 16248), (1304, 14217), (1354, 13692), (1956, 9478), (2031, 9128), (2282, 8124), (2708, 6846), (3423, 5416), (3912, 4739), (4062, 4564)]