20179918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15278642

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 683, 869, 1343, 1366, 1738, 2686, 7513, 11611, 14773, 15026, 23222, 29546, 53957, 107914, 127721, 255442, 593527, 917269, 1187054, 1834538, 10089959, 20179918]

約数ペア:

[(1, 20179918), (2, 10089959), (11, 1834538), (17, 1187054), (22, 917269), (34, 593527), (79, 255442), (158, 127721), (187, 107914), (374, 53957), (683, 29546), (869, 23222), (1343, 15026), (1366, 14773), (1738, 11611), (2686, 7513)]