19440460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74771}}^1$

素因数の和:74793

約数の個数: 24

約数和(自身を含む): 43965936

約数和(自身を除く): 24525476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74771, 149542, 299084, 373855, 747710, 972023, 1495420, 1944046, 3888092, 4860115, 9720230, 19440460]

約数ペア:

[(1, 19440460), (2, 9720230), (4, 4860115), (5, 3888092), (10, 1944046), (13, 1495420), (20, 972023), (26, 747710), (52, 373855), (65, 299084), (130, 149542), (260, 74771)]