18471295

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 23123232

約数和(自身を除く): 4651937

約数列:

[1, 5, 43, 53, 215, 265, 1621, 2279, 8105, 11395, 69703, 85913, 348515, 429565, 3694259, 18471295]

約数ペア:

[(1, 18471295), (5, 3694259), (43, 429565), (53, 348515), (215, 85913), (265, 69703), (1621, 11395), (2279, 8105)]