19959846

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 21512154

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 239, 449, 478, 717, 898, 1347, 1434, 2694, 7409, 13919, 14818, 22227, 27838, 41757, 44454, 83514, 107311, 214622, 321933, 643866, 3326641, 6653282, 9979923, 19959846]

約数ペア:

[(1, 19959846), (2, 9979923), (3, 6653282), (6, 3326641), (31, 643866), (62, 321933), (93, 214622), (186, 107311), (239, 83514), (449, 44454), (478, 41757), (717, 27838), (898, 22227), (1347, 14818), (1434, 13919), (2694, 7409)]