19601740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16067}}^1$

素因数の和:16137

約数の個数: 24

約数和(自身を含む): 41841072

約数和(自身を除く): 22239332

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16067, 32134, 64268, 80335, 160670, 321340, 980087, 1960174, 3920348, 4900435, 9800870, 19601740]

約数ペア:

[(1, 19601740), (2, 9800870), (4, 4900435), (5, 3920348), (10, 1960174), (20, 980087), (61, 321340), (122, 160670), (244, 80335), (305, 64268), (610, 32134), (1220, 16067)]