19213490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61979}}^1$

素因数の和:62017

約数の個数: 16

約数和(自身を含む): 35700480

約数和(自身を除く): 16486990

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 61979, 123958, 309895, 619790, 1921349, 3842698, 9606745, 19213490]

約数ペア:

[(1, 19213490), (2, 9606745), (5, 3842698), (10, 1921349), (31, 619790), (62, 309895), (155, 123958), (310, 61979)]