19404190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5147}}^1$

素因数の和:5196

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19514690

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5147, 10294, 25735, 51470, 66911, 133822, 149263, 298526, 334555, 669110, 746315, 1492630, 1940419, 3880838, 9702095, 19404190]

約数ペア:

[(1, 19404190), (2, 9702095), (5, 3880838), (10, 1940419), (13, 1492630), (26, 746315), (29, 669110), (58, 334555), (65, 298526), (130, 149263), (145, 133822), (290, 66911), (377, 51470), (754, 25735), (1885, 10294), (3770, 5147)]