19984834

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{659}}^1$

素因数の和:977

約数の個数: 16

約数和(自身を含む): 30650400

約数和(自身を除く): 10665566

約数列:

[1, 2, 59, 118, 257, 514, 659, 1318, 15163, 30326, 38881, 77762, 169363, 338726, 9992417, 19984834]

約数ペア:

[(1, 19984834), (2, 9992417), (59, 338726), (118, 169363), (257, 77762), (514, 38881), (659, 30326), (1318, 15163)]