19790264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 41365800

約数和(自身を除く): 21575536

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 139, 148, 278, 296, 481, 556, 962, 1112, 1369, 1807, 1924, 2738, 3614, 3848, 5143, 5476, 7228, 10286, 10952, 14456, 17797, 20572, 35594, 41144, 66859, 71188, 133718, 142376, 190291, 267436, 380582, 534872, 761164, 1522328, 2473783, 4947566, 9895132, 19790264]

約数ペア:

[(1, 19790264), (2, 9895132), (4, 4947566), (8, 2473783), (13, 1522328), (26, 761164), (37, 534872), (52, 380582), (74, 267436), (104, 190291), (139, 142376), (148, 133718), (278, 71188), (296, 66859), (481, 41144), (556, 35594), (962, 20572), (1112, 17797), (1369, 14456), (1807, 10952), (1924, 10286), (2738, 7228), (3614, 5476), (3848, 5143)]