18816620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55343}}^1$

素因数の和:55369

約数の個数: 24

約数和(自身を含む): 41840064

約数和(自身を除く): 23023444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55343, 110686, 221372, 276715, 553430, 940831, 1106860, 1881662, 3763324, 4704155, 9408310, 18816620]

約数ペア:

[(1, 18816620), (2, 9408310), (4, 4704155), (5, 3763324), (10, 1881662), (17, 1106860), (20, 940831), (34, 553430), (68, 276715), (85, 221372), (170, 110686), (340, 55343)]