18661384

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11491}}^1$

素因数の和:11533

約数の個数: 32

約数和(自身を含む): 41371200

約数和(自身を除く): 22709816

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 11491, 22982, 45964, 80437, 91928, 160874, 321748, 333239, 643496, 666478, 1332956, 2332673, 2665912, 4665346, 9330692, 18661384]

約数ペア:

[(1, 18661384), (2, 9330692), (4, 4665346), (7, 2665912), (8, 2332673), (14, 1332956), (28, 666478), (29, 643496), (56, 333239), (58, 321748), (116, 160874), (203, 91928), (232, 80437), (406, 45964), (812, 22982), (1624, 11491)]