18843381

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 10647819

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 479, 837, 1269, 1437, 1457, 4311, 4371, 12933, 13113, 14849, 22513, 39339, 44547, 67539, 133641, 202617, 400923, 607851, 697903, 2093709, 6281127, 18843381]

約数ペア:

[(1, 18843381), (3, 6281127), (9, 2093709), (27, 697903), (31, 607851), (47, 400923), (93, 202617), (141, 133641), (279, 67539), (423, 44547), (479, 39339), (837, 22513), (1269, 14849), (1437, 13113), (1457, 12933), (4311, 4371)]