2155862018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1319377}}^1$

素因数の和:1319441

約数の個数: 16

約数和(自身を含む): 3483157920

約数和(自身を除く): 1327295902

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 1319377, 2638754, 25068163, 50136326, 56733211, 113466422, 1077931009, 2155862018]

約数ペア:

[(1, 2155862018), (2, 1077931009), (19, 113466422), (38, 56733211), (43, 50136326), (86, 25068163), (817, 2638754), (1634, 1319377)]