18820642

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 10290398

約数列:

[1, 2, 37, 74, 419, 607, 838, 1214, 15503, 22459, 31006, 44918, 254333, 508666, 9410321, 18820642]

約数ペア:

[(1, 18820642), (2, 9410321), (37, 508666), (74, 254333), (419, 44918), (607, 31006), (838, 22459), (1214, 15503)]