18861237

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 28570880

約数和(自身を除く): 9709643

約数列:

[1, 3, 9, 31, 67, 93, 201, 279, 603, 1009, 2077, 3027, 6231, 9081, 18693, 31279, 67603, 93837, 202809, 281511, 608427, 2095693, 6287079, 18861237]

約数ペア:

[(1, 18861237), (3, 6287079), (9, 2095693), (31, 608427), (67, 281511), (93, 202809), (201, 93837), (279, 67603), (603, 31279), (1009, 18693), (2077, 9081), (3027, 6231)]