18791032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 38137680

約数和(自身を除く): 19346648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 643, 1124, 1286, 2248, 2572, 3653, 5144, 7306, 8359, 14612, 16718, 29224, 33436, 66872, 180683, 361366, 722732, 1445464, 2348879, 4697758, 9395516, 18791032]

約数ペア:

[(1, 18791032), (2, 9395516), (4, 4697758), (8, 2348879), (13, 1445464), (26, 722732), (52, 361366), (104, 180683), (281, 66872), (562, 33436), (643, 29224), (1124, 16718), (1286, 14612), (2248, 8359), (2572, 7306), (3653, 5144)]