18878808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{60509}}^1$

素因数の和:60531

約数の個数: 32

約数和(自身を含む): 50828400

約数和(自身を除く): 31949592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 60509, 121018, 181527, 242036, 363054, 484072, 726108, 786617, 1452216, 1573234, 2359851, 3146468, 4719702, 6292936, 9439404, 18878808]

約数ペア:

[(1, 18878808), (2, 9439404), (3, 6292936), (4, 4719702), (6, 3146468), (8, 2359851), (12, 1573234), (13, 1452216), (24, 786617), (26, 726108), (39, 484072), (52, 363054), (78, 242036), (104, 181527), (156, 121018), (312, 60509)]