17980372220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47316769}}^1$

素因数の和:47316797

約数の個数: 24

約数和(自身を含む): 39746086800

約数和(自身を除く): 21765714580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47316769, 94633538, 189267076, 236583845, 473167690, 899018611, 946335380, 1798037222, 3596074444, 4495093055, 8990186110, 17980372220]

約数ペア:

[(1, 17980372220), (2, 8990186110), (4, 4495093055), (5, 3596074444), (10, 1798037222), (19, 946335380), (20, 899018611), (38, 473167690), (76, 236583845), (95, 189267076), (190, 94633538), (380, 47316769)]