13518025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 17856000

約数和(自身を除く): 4337975

約数列:

[1, 5, 19, 25, 95, 149, 191, 475, 745, 955, 2831, 3629, 3725, 4775, 14155, 18145, 28459, 70775, 90725, 142295, 540721, 711475, 2703605, 13518025]

約数ペア:

[(1, 13518025), (5, 2703605), (19, 711475), (25, 540721), (95, 142295), (149, 90725), (191, 70775), (475, 28459), (745, 18145), (955, 14155), (2831, 4775), (3629, 3725)]