19540645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 5394395

約数列:

[1, 5, 19, 95, 103, 515, 1957, 1997, 9785, 9985, 37943, 189715, 205691, 1028455, 3908129, 19540645]

約数ペア:

[(1, 19540645), (5, 3908129), (19, 1028455), (95, 205691), (103, 189715), (515, 37943), (1957, 9985), (1997, 9785)]