19380580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31259}}^1$

素因数の和:31299

約数の個数: 24

約数和(自身を含む): 42013440

約数和(自身を除く): 22632860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31259, 62518, 125036, 156295, 312590, 625180, 969029, 1938058, 3876116, 4845145, 9690290, 19380580]

約数ペア:

[(1, 19380580), (2, 9690290), (4, 4845145), (5, 3876116), (10, 1938058), (20, 969029), (31, 625180), (62, 312590), (124, 156295), (155, 125036), (310, 62518), (620, 31259)]