2019197315515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{21790291}}^1$

素因数の和:21790770

約数の個数: 16

約数和(自身を含む): 2485139222016

約数和(自身を除く): 465941906501

約数列:

[1, 5, 43, 215, 431, 2155, 18533, 92665, 21790291, 108951455, 936982513, 4684912565, 9391615421, 46958077105, 403839463103, 2019197315515]

約数ペア:

[(1, 2019197315515), (5, 403839463103), (43, 46958077105), (215, 9391615421), (431, 4684912565), (2155, 936982513), (18533, 108951455), (92665, 21790291)]