18743979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{787}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 26552448

約数和(自身を除く): 7808469

約数列:

[1, 3, 17, 51, 467, 787, 1401, 2361, 7939, 13379, 23817, 40137, 367529, 1102587, 6247993, 18743979]

約数ペア:

[(1, 18743979), (3, 6247993), (17, 1102587), (51, 367529), (467, 40137), (787, 23817), (1401, 13379), (2361, 7939)]