18018520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34651}}^1$

素因数の和:34675

約数の個数: 32

約数和(自身を含む): 43661520

約数和(自身を除く): 25643000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34651, 69302, 138604, 173255, 277208, 346510, 450463, 693020, 900926, 1386040, 1801852, 2252315, 3603704, 4504630, 9009260, 18018520]

約数ペア:

[(1, 18018520), (2, 9009260), (4, 4504630), (5, 3603704), (8, 2252315), (10, 1801852), (13, 1386040), (20, 900926), (26, 693020), (40, 450463), (52, 346510), (65, 277208), (104, 173255), (130, 138604), (260, 69302), (520, 34651)]