19674616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 40042800

約数和(自身を除く): 20368184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1361, 1807, 2722, 3614, 5444, 7228, 10888, 14456, 17693, 35386, 70772, 141544, 189179, 378358, 756716, 1513432, 2459327, 4918654, 9837308, 19674616]

約数ペア:

[(1, 19674616), (2, 9837308), (4, 4918654), (8, 2459327), (13, 1513432), (26, 756716), (52, 378358), (104, 189179), (139, 141544), (278, 70772), (556, 35386), (1112, 17693), (1361, 14456), (1807, 10888), (2722, 7228), (3614, 5444)]