18829990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2239}}^1$

素因数の和:2304

約数の個数: 24

約数和(自身を含む): 35118720

約数和(自身を除く): 16288730

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2239, 4205, 4478, 8410, 11195, 22390, 64931, 129862, 324655, 649310, 1882999, 3765998, 9414995, 18829990]

約数ペア:

[(1, 18829990), (2, 9414995), (5, 3765998), (10, 1882999), (29, 649310), (58, 324655), (145, 129862), (290, 64931), (841, 22390), (1682, 11195), (2239, 8410), (4205, 4478)]