18160415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8934625

約数列:

[1, 5, 7, 13, 35, 65, 91, 167, 239, 455, 835, 1169, 1195, 1673, 2171, 3107, 5845, 8365, 10855, 15197, 15535, 21749, 39913, 75985, 108745, 199565, 279391, 518869, 1396955, 2594345, 3632083, 18160415]

約数ペア:

[(1, 18160415), (5, 3632083), (7, 2594345), (13, 1396955), (35, 518869), (65, 279391), (91, 199565), (167, 108745), (239, 75985), (455, 39913), (835, 21749), (1169, 15535), (1195, 15197), (1673, 10855), (2171, 8365), (3107, 5845)]