18943886

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1436

約数の個数: 24

約数和(自身を含む): 31543344

約数和(自身を除く): 12599458

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1367, 2734, 6929, 13858, 17771, 35542, 56047, 112094, 231023, 462046, 728611, 1457222, 9471943, 18943886]

約数ペア:

[(1, 18943886), (2, 9471943), (13, 1457222), (26, 728611), (41, 462046), (82, 231023), (169, 112094), (338, 56047), (533, 35542), (1066, 17771), (1367, 13858), (2734, 6929)]