19538060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31513}}^1$

素因数の和:31553

約数の個数: 24

約数和(自身を含む): 42354816

約数和(自身を除く): 22816756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31513, 63026, 126052, 157565, 315130, 630260, 976903, 1953806, 3907612, 4884515, 9769030, 19538060]

約数ペア:

[(1, 19538060), (2, 9769030), (4, 4884515), (5, 3907612), (10, 1953806), (20, 976903), (31, 630260), (62, 315130), (124, 157565), (155, 126052), (310, 63026), (620, 31513)]