19715566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 33497856

約数和(自身を除く): 13782290

約数列:

[1, 2, 13, 26, 31, 61, 62, 122, 401, 403, 793, 802, 806, 1586, 1891, 3782, 5213, 10426, 12431, 24461, 24583, 24862, 48922, 49166, 161603, 317993, 323206, 635986, 758291, 1516582, 9857783, 19715566]

約数ペア:

[(1, 19715566), (2, 9857783), (13, 1516582), (26, 758291), (31, 635986), (61, 323206), (62, 317993), (122, 161603), (401, 49166), (403, 48922), (793, 24862), (802, 24583), (806, 24461), (1586, 12431), (1891, 10426), (3782, 5213)]