19347926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13166122

約数列:

[1, 2, 13, 26, 47, 71, 94, 142, 223, 446, 611, 923, 1222, 1846, 2899, 3337, 5798, 6674, 10481, 15833, 20962, 31666, 43381, 86762, 136253, 205829, 272506, 411658, 744151, 1488302, 9673963, 19347926]

約数ペア:

[(1, 19347926), (2, 9673963), (13, 1488302), (26, 744151), (47, 411658), (71, 272506), (94, 205829), (142, 136253), (223, 86762), (446, 43381), (611, 31666), (923, 20962), (1222, 15833), (1846, 10481), (2899, 6674), (3337, 5798)]