18948473480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15281027}}^1$

素因数の和:15281069

約数の個数: 32

約数和(自身を含む): 44009360640

約数和(自身を除く): 25060887160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15281027, 30562054, 61124108, 76405135, 122248216, 152810270, 305620540, 473711837, 611241080, 947423674, 1894847348, 2368559185, 3789694696, 4737118370, 9474236740, 18948473480]

約数ペア:

[(1, 18948473480), (2, 9474236740), (4, 4737118370), (5, 3789694696), (8, 2368559185), (10, 1894847348), (20, 947423674), (31, 611241080), (40, 473711837), (62, 305620540), (124, 152810270), (155, 122248216), (248, 76405135), (310, 61124108), (620, 30562054), (1240, 15281027)]