19219191

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4721}}^1$

素因数の和:4806

約数の個数: 16

約数和(自身を含む): 27198720

約数和(自身を除く): 7979529

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 4721, 14163, 108583, 278539, 325749, 835617, 6406397, 19219191]

約数ペア:

[(1, 19219191), (3, 6406397), (23, 835617), (59, 325749), (69, 278539), (177, 108583), (1357, 14163), (4071, 4721)]