19474936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{941}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 39564000

約数和(自身を除く): 20089064

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 941, 1592, 1882, 2587, 3764, 5174, 7528, 10348, 12233, 20696, 24466, 48932, 97864, 187259, 374518, 749036, 1498072, 2434367, 4868734, 9737468, 19474936]

約数ペア:

[(1, 19474936), (2, 9737468), (4, 4868734), (8, 2434367), (13, 1498072), (26, 749036), (52, 374518), (104, 187259), (199, 97864), (398, 48932), (796, 24466), (941, 20696), (1592, 12233), (1882, 10348), (2587, 7528), (3764, 5174)]