18945238

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2488

約数の個数: 24

約数和(自身を含む): 32123088

約数和(自身を除く): 13177850

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2437, 3887, 4874, 7774, 31681, 56051, 63362, 112102, 411853, 728663, 823706, 1457326, 9472619, 18945238]

約数ペア:

[(1, 18945238), (2, 9472619), (13, 1457326), (23, 823706), (26, 728663), (46, 411853), (169, 112102), (299, 63362), (338, 56051), (598, 31681), (2437, 7774), (3887, 4874)]