19541810

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7211}}^1$

素因数の和:7489

約数の個数: 16

約数和(自身を含む): 35309952

約数和(自身を除く): 15768142

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7211, 14422, 36055, 72110, 1954181, 3908362, 9770905, 19541810]

約数ペア:

[(1, 19541810), (2, 9770905), (5, 3908362), (10, 1954181), (271, 72110), (542, 36055), (1355, 14422), (2710, 7211)]