18051805

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 23344632

約数和(自身を除く): 5292827

約数列:

[1, 5, 19, 73, 95, 137, 361, 365, 685, 1387, 1805, 2603, 6935, 10001, 13015, 26353, 49457, 50005, 131765, 190019, 247285, 950095, 3610361, 18051805]

約数ペア:

[(1, 18051805), (5, 3610361), (19, 950095), (73, 247285), (95, 190019), (137, 131765), (361, 50005), (365, 49457), (685, 26353), (1387, 13015), (1805, 10001), (2603, 6935)]