19892016

素因数分解:

$2^4\times 3^2\times {\mathrm{138139}}^1$

素因数の和:138153

約数の個数: 30

約数和(自身を含む): 55670420

約数和(自身を除く): 35778404

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138139, 276278, 414417, 552556, 828834, 1105112, 1243251, 1657668, 2210224, 2486502, 3315336, 4973004, 6630672, 9946008, 19892016]

約数ペア:

[(1, 19892016), (2, 9946008), (3, 6630672), (4, 4973004), (6, 3315336), (8, 2486502), (9, 2210224), (12, 1657668), (16, 1243251), (18, 1105112), (24, 828834), (36, 552556), (48, 414417), (72, 276278), (144, 138139)]