18888941680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33730253}}^1$

素因数の和:33730273

約数の個数: 40

約数和(自身を含む): 50190617952

約数和(自身を除く): 31301676272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33730253, 67460506, 134921012, 168651265, 236111771, 269842024, 337302530, 472223542, 539684048, 674605060, 944447084, 1180558855, 1349210120, 1888894168, 2361117710, 2698420240, 3777788336, 4722235420, 9444470840, 18888941680]

約数ペア:

[(1, 18888941680), (2, 9444470840), (4, 4722235420), (5, 3777788336), (7, 2698420240), (8, 2361117710), (10, 1888894168), (14, 1349210120), (16, 1180558855), (20, 944447084), (28, 674605060), (35, 539684048), (40, 472223542), (56, 337302530), (70, 269842024), (80, 236111771), (112, 168651265), (140, 134921012), (280, 67460506), (560, 33730253)]