19499476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 36408960

約数和(自身を除く): 16909484

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2063, 2363, 4126, 4726, 8252, 9452, 35071, 70142, 140284, 286757, 573514, 1147028, 4874869, 9749738, 19499476]

約数ペア:

[(1, 19499476), (2, 9749738), (4, 4874869), (17, 1147028), (34, 573514), (68, 286757), (139, 140284), (278, 70142), (556, 35071), (2063, 9452), (2363, 8252), (4126, 4726)]