18600621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1979}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 26832960

約数和(自身を除く): 8232339

約数列:

[1, 3, 13, 39, 241, 723, 1979, 3133, 5937, 9399, 25727, 77181, 476939, 1430817, 6200207, 18600621]

約数ペア:

[(1, 18600621), (3, 6200207), (13, 1430817), (39, 476939), (241, 77181), (723, 25727), (1979, 9399), (3133, 5937)]