19440447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{991}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 27998208

約数和(自身を除く): 8557761

約数列:

[1, 3, 13, 39, 503, 991, 1509, 2973, 6539, 12883, 19617, 38649, 498473, 1495419, 6480149, 19440447]

約数ペア:

[(1, 19440447), (3, 6480149), (13, 1495419), (39, 498473), (503, 38649), (991, 19617), (1509, 12883), (2973, 6539)]