18729123867

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{259381}}^1$

素因数の和:259571

約数の個数: 24

約数和(自身を含む): 27677096928

約数和(自身を除く): 8947973061

約数列:

[1, 3, 9, 71, 113, 213, 339, 639, 1017, 8023, 24069, 72207, 259381, 778143, 2334429, 18416051, 29310053, 55248153, 87930159, 165744459, 263790477, 2081013763, 6243041289, 18729123867]

約数ペア:

[(1, 18729123867), (3, 6243041289), (9, 2081013763), (71, 263790477), (113, 165744459), (213, 87930159), (339, 55248153), (639, 29310053), (1017, 18416051), (8023, 2334429), (24069, 778143), (72207, 259381)]