18212650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 36

約数和(自身を含む): 34857702

約数和(自身を除く): 16645052

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 197, 215, 394, 430, 985, 1075, 1849, 1970, 2150, 3698, 4925, 8471, 9245, 9850, 16942, 18490, 42355, 46225, 84710, 92450, 211775, 364253, 423550, 728506, 1821265, 3642530, 9106325, 18212650]

約数ペア:

[(1, 18212650), (2, 9106325), (5, 3642530), (10, 1821265), (25, 728506), (43, 423550), (50, 364253), (86, 211775), (197, 92450), (215, 84710), (394, 46225), (430, 42355), (985, 18490), (1075, 16942), (1849, 9850), (1970, 9245), (2150, 8471), (3698, 4925)]