18253965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3371}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 30833568

約数和(自身を除く): 12579603

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3371, 5415, 10113, 16855, 50565, 64049, 192147, 320245, 960735, 1216931, 3650793, 6084655, 18253965]

約数ペア:

[(1, 18253965), (3, 6084655), (5, 3650793), (15, 1216931), (19, 960735), (57, 320245), (95, 192147), (285, 64049), (361, 50565), (1083, 16855), (1805, 10113), (3371, 5415)]