19499038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 32731776

約数和(自身を除く): 13232738

約数列:

[1, 2, 13, 26, 43, 86, 107, 163, 214, 326, 559, 1118, 1391, 2119, 2782, 4238, 4601, 7009, 9202, 14018, 17441, 34882, 59813, 91117, 119626, 182234, 226733, 453466, 749963, 1499926, 9749519, 19499038]

約数ペア:

[(1, 19499038), (2, 9749519), (13, 1499926), (26, 749963), (43, 453466), (86, 226733), (107, 182234), (163, 119626), (214, 91117), (326, 59813), (559, 34882), (1118, 17441), (1391, 14018), (2119, 9202), (2782, 7009), (4238, 4601)]