18820376

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 17294824

約数列:

[1, 2, 4, 8, 109, 113, 191, 218, 226, 382, 436, 452, 764, 872, 904, 1528, 12317, 20819, 21583, 24634, 41638, 43166, 49268, 83276, 86332, 98536, 166552, 172664, 2352547, 4705094, 9410188, 18820376]

約数ペア:

[(1, 18820376), (2, 9410188), (4, 4705094), (8, 2352547), (109, 172664), (113, 166552), (191, 98536), (218, 86332), (226, 83276), (382, 49268), (436, 43166), (452, 41638), (764, 24634), (872, 21583), (904, 20819), (1528, 12317)]