19391740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31277}}^1$

素因数の和:31317

約数の個数: 24

約数和(自身を含む): 42037632

約数和(自身を除く): 22645892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31277, 62554, 125108, 156385, 312770, 625540, 969587, 1939174, 3878348, 4847935, 9695870, 19391740]

約数ペア:

[(1, 19391740), (2, 9695870), (4, 4847935), (5, 3878348), (10, 1939174), (20, 969587), (31, 625540), (62, 312770), (124, 156385), (155, 125108), (310, 62554), (620, 31277)]