15938390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9431}}^1$

素因数の和:9464

約数の個数: 24

約数和(自身を含む): 31069008

約数和(自身を除く): 15130618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 9431, 18862, 47155, 94310, 122603, 245206, 613015, 1226030, 1593839, 3187678, 7969195, 15938390]

約数ペア:

[(1, 15938390), (2, 7969195), (5, 3187678), (10, 1593839), (13, 1226030), (26, 613015), (65, 245206), (130, 122603), (169, 94310), (338, 47155), (845, 18862), (1690, 9431)]