18451580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131797}}^1$

素因数の和:131813

約数の個数: 24

約数和(自身を含む): 44284128

約数和(自身を除く): 25832548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131797, 263594, 527188, 658985, 922579, 1317970, 1845158, 2635940, 3690316, 4612895, 9225790, 18451580]

約数ペア:

[(1, 18451580), (2, 9225790), (4, 4612895), (5, 3690316), (7, 2635940), (10, 1845158), (14, 1317970), (20, 922579), (28, 658985), (35, 527188), (70, 263594), (140, 131797)]