13991980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36821}}^1$

素因数の和:36849

約数の個数: 24

約数和(自身を含む): 30930480

約数和(自身を除く): 16938500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 36821, 73642, 147284, 184105, 368210, 699599, 736420, 1399198, 2798396, 3497995, 6995990, 13991980]

約数ペア:

[(1, 13991980), (2, 6995990), (4, 3497995), (5, 2798396), (10, 1399198), (19, 736420), (20, 699599), (38, 368210), (76, 184105), (95, 147284), (190, 73642), (380, 36821)]