18390990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2677}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 44347680

約数和(自身を除く): 25956690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 2677, 3435, 5354, 6870, 8031, 13385, 16062, 26770, 40155, 80310, 613033, 1226066, 1839099, 3065165, 3678198, 6130330, 9195495, 18390990]

約数ペア:

[(1, 18390990), (2, 9195495), (3, 6130330), (5, 3678198), (6, 3065165), (10, 1839099), (15, 1226066), (30, 613033), (229, 80310), (458, 40155), (687, 26770), (1145, 16062), (1374, 13385), (2290, 8031), (2677, 6870), (3435, 5354)]