19884458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 34940160

約数和(自身を除く): 15055702

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 673, 869, 1343, 1346, 1738, 2686, 7403, 11441, 14773, 14806, 22882, 29546, 53167, 106334, 125851, 251702, 584837, 903839, 1169674, 1807678, 9942229, 19884458]

約数ペア:

[(1, 19884458), (2, 9942229), (11, 1807678), (17, 1169674), (22, 903839), (34, 584837), (79, 251702), (158, 125851), (187, 106334), (374, 53167), (673, 29546), (869, 22882), (1343, 14806), (1346, 14773), (1738, 11441), (2686, 7403)]