2018207120

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223253}}^1$

素因数の和:223379

約数の個数: 40

約数和(自身を含む): 4733877816

約数和(自身を除く): 2715670696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 223253, 446506, 893012, 1116265, 1786024, 2232530, 3572048, 4465060, 8930120, 17860240, 25227589, 50455178, 100910356, 126137945, 201820712, 252275890, 403641424, 504551780, 1009103560, 2018207120]

約数ペア:

[(1, 2018207120), (2, 1009103560), (4, 504551780), (5, 403641424), (8, 252275890), (10, 201820712), (16, 126137945), (20, 100910356), (40, 50455178), (80, 25227589), (113, 17860240), (226, 8930120), (452, 4465060), (565, 3572048), (904, 2232530), (1130, 1786024), (1808, 1116265), (2260, 893012), (4520, 446506), (9040, 223253)]