19942510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40699}}^1$

素因数の和:40720

約数の個数: 24

約数和(自身を含む): 41758200

約数和(自身を除く): 21815690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40699, 81398, 203495, 284893, 406990, 569786, 1424465, 1994251, 2848930, 3988502, 9971255, 19942510]

約数ペア:

[(1, 19942510), (2, 9971255), (5, 3988502), (7, 2848930), (10, 1994251), (14, 1424465), (35, 569786), (49, 406990), (70, 284893), (98, 203495), (245, 81398), (490, 40699)]