18888921793

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1\times {\mathrm{2027}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 22426500096

約数和(自身を除く): 3537578303

約数列:

[1, 7, 43, 83, 301, 373, 581, 2027, 2611, 3569, 14189, 16039, 24983, 30959, 87161, 112273, 168241, 216713, 610127, 756071, 1177687, 1331237, 5292497, 7234363, 9318659, 32511053, 50640541, 62753893, 227577371, 439277251, 2698417399, 18888921793]

約数ペア:

[(1, 18888921793), (7, 2698417399), (43, 439277251), (83, 227577371), (301, 62753893), (373, 50640541), (581, 32511053), (2027, 9318659), (2611, 7234363), (3569, 5292497), (14189, 1331237), (16039, 1177687), (24983, 756071), (30959, 610127), (87161, 216713), (112273, 168241)]