19381398

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{12569}}^1$

素因数の和:12831

約数の個数: 16

約数和(自身を含む): 38916720

約数和(自身を除く): 19535322

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 12569, 25138, 37707, 75414, 3230233, 6460466, 9690699, 19381398]

約数ペア:

[(1, 19381398), (2, 9690699), (3, 6460466), (6, 3230233), (257, 75414), (514, 37707), (771, 25138), (1542, 12569)]