19939172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{983}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 38187072

約数和(自身を除く): 18247900

約数列:

[1, 2, 4, 11, 22, 44, 461, 922, 983, 1844, 1966, 3932, 5071, 10142, 10813, 20284, 21626, 43252, 453163, 906326, 1812652, 4984793, 9969586, 19939172]

約数ペア:

[(1, 19939172), (2, 9969586), (4, 4984793), (11, 1812652), (22, 906326), (44, 453163), (461, 43252), (922, 21626), (983, 20284), (1844, 10813), (1966, 10142), (3932, 5071)]