18472720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32987}}^1$

素因数の和:33007

約数の個数: 40

約数和(自身を含む): 49086144

約数和(自身を除く): 30613424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32987, 65974, 131948, 164935, 230909, 263896, 329870, 461818, 527792, 659740, 923636, 1154545, 1319480, 1847272, 2309090, 2638960, 3694544, 4618180, 9236360, 18472720]

約数ペア:

[(1, 18472720), (2, 9236360), (4, 4618180), (5, 3694544), (7, 2638960), (8, 2309090), (10, 1847272), (14, 1319480), (16, 1154545), (20, 923636), (28, 659740), (35, 527792), (40, 461818), (56, 329870), (70, 263896), (80, 230909), (112, 164935), (140, 131948), (280, 65974), (560, 32987)]