19538990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63029}}^1$

素因数の和:63067

約数の個数: 16

約数和(自身を含む): 36305280

約数和(自身を除く): 16766290

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 63029, 126058, 315145, 630290, 1953899, 3907798, 9769495, 19538990]

約数ペア:

[(1, 19538990), (2, 9769495), (5, 3907798), (10, 1953899), (31, 630290), (62, 315145), (155, 126058), (310, 63029)]