18489237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 28148736

約数和(自身を除く): 9659499

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 373, 403, 533, 1119, 1209, 1271, 1599, 3813, 4849, 11563, 14547, 15293, 16523, 34689, 45879, 49569, 150319, 198809, 450957, 474083, 596427, 1422249, 6163079, 18489237]

約数ペア:

[(1, 18489237), (3, 6163079), (13, 1422249), (31, 596427), (39, 474083), (41, 450957), (93, 198809), (123, 150319), (373, 49569), (403, 45879), (533, 34689), (1119, 16523), (1209, 15293), (1271, 14547), (1599, 11563), (3813, 4849)]