19222808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3581}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 39975120

約数和(自身を除く): 20752312

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3581, 5368, 7162, 14324, 28648, 39391, 78782, 157564, 218441, 315128, 436882, 873764, 1747528, 2402851, 4805702, 9611404, 19222808]

約数ペア:

[(1, 19222808), (2, 9611404), (4, 4805702), (8, 2402851), (11, 1747528), (22, 873764), (44, 436882), (61, 315128), (88, 218441), (122, 157564), (244, 78782), (488, 39391), (671, 28648), (1342, 14324), (2684, 7162), (3581, 5368)]