18668380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54907}}^1$

素因数の和:54933

約数の個数: 24

約数和(自身を含む): 41510448

約数和(自身を除く): 22842068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54907, 109814, 219628, 274535, 549070, 933419, 1098140, 1866838, 3733676, 4667095, 9334190, 18668380]

約数ペア:

[(1, 18668380), (2, 9334190), (4, 4667095), (5, 3733676), (10, 1866838), (17, 1098140), (20, 933419), (34, 549070), (68, 274535), (85, 219628), (170, 109814), (340, 54907)]