18381808

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2617}}^1$

素因数の和:3064

約数の個数: 20

約数和(自身を含む): 35709520

約数和(自身を除く): 17327712

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2617, 3512, 5234, 7024, 10468, 20936, 41872, 1148863, 2297726, 4595452, 9190904, 18381808]

約数ペア:

[(1, 18381808), (2, 9190904), (4, 4595452), (8, 2297726), (16, 1148863), (439, 41872), (878, 20936), (1756, 10468), (2617, 7024), (3512, 5234)]