19420012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 35302400

約数和(自身を除く): 15882388

約数列:

[1, 2, 4, 31, 62, 124, 199, 398, 787, 796, 1574, 3148, 6169, 12338, 24397, 24676, 48794, 97588, 156613, 313226, 626452, 4855003, 9710006, 19420012]

約数ペア:

[(1, 19420012), (2, 9710006), (4, 4855003), (31, 626452), (62, 313226), (124, 156613), (199, 97588), (398, 48794), (787, 24676), (796, 24397), (1574, 12338), (3148, 6169)]