18977371

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1471}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 23080960

約数和(自身を除く): 4103589

約数列:

[1, 7, 19, 97, 133, 679, 1471, 1843, 10297, 12901, 27949, 142687, 195643, 998809, 2711053, 18977371]

約数ペア:

[(1, 18977371), (7, 2711053), (19, 998809), (97, 195643), (133, 142687), (679, 27949), (1471, 12901), (1843, 10297)]