19320440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15581}}^1$

素因数の和:15623

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 25555720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15581, 31162, 62324, 77905, 124648, 155810, 311620, 483011, 623240, 966022, 1932044, 2415055, 3864088, 4830110, 9660220, 19320440]

約数ペア:

[(1, 19320440), (2, 9660220), (4, 4830110), (5, 3864088), (8, 2415055), (10, 1932044), (20, 966022), (31, 623240), (40, 483011), (62, 311620), (124, 155810), (155, 124648), (248, 77905), (310, 62324), (620, 31162), (1240, 15581)]