3965702990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20872121}}^1$

素因数の和:20872147

約数の個数: 16

約数和(自身を含む): 7513963920

約数和(自身を除く): 3548260930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 20872121, 41744242, 104360605, 208721210, 396570299, 793140598, 1982851495, 3965702990]

約数ペア:

[(1, 3965702990), (2, 1982851495), (5, 793140598), (10, 396570299), (19, 208721210), (38, 104360605), (95, 41744242), (190, 20872121)]