18218061

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 10293939

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 439, 477, 783, 1317, 1431, 1537, 3951, 4611, 11853, 12731, 13833, 23267, 38193, 41499, 69801, 114579, 209403, 343737, 628209, 674743, 2024229, 6072687, 18218061]

約数ペア:

[(1, 18218061), (3, 6072687), (9, 2024229), (27, 674743), (29, 628209), (53, 343737), (87, 209403), (159, 114579), (261, 69801), (439, 41499), (477, 38193), (783, 23267), (1317, 13833), (1431, 12731), (1537, 11853), (3951, 4611)]