19637109

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 29203200

約数和(自身を除く): 9566091

約数列:

[1, 3, 9, 71, 79, 213, 237, 389, 639, 711, 1167, 3501, 5609, 16827, 27619, 30731, 50481, 82857, 92193, 248571, 276579, 2181901, 6545703, 19637109]

約数ペア:

[(1, 19637109), (3, 6545703), (9, 2181901), (71, 276579), (79, 248571), (213, 92193), (237, 82857), (389, 50481), (639, 30731), (711, 27619), (1167, 16827), (3501, 5609)]