17850980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127507}}^1$

素因数の和:127523

約数の個数: 24

約数和(自身を含む): 42842688

約数和(自身を除く): 24991708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127507, 255014, 510028, 637535, 892549, 1275070, 1785098, 2550140, 3570196, 4462745, 8925490, 17850980]

約数ペア:

[(1, 17850980), (2, 8925490), (4, 4462745), (5, 3570196), (7, 2550140), (10, 1785098), (14, 1275070), (20, 892549), (28, 637535), (35, 510028), (70, 255014), (140, 127507)]