18782580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1367}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 34076940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1367, 1374, 2290, 2734, 2748, 3435, 4101, 4580, 5468, 6835, 6870, 8202, 13670, 13740, 16404, 20505, 27340, 41010, 82020, 313043, 626086, 939129, 1252172, 1565215, 1878258, 3130430, 3756516, 4695645, 6260860, 9391290, 18782580]

約数ペア:

[(1, 18782580), (2, 9391290), (3, 6260860), (4, 4695645), (5, 3756516), (6, 3130430), (10, 1878258), (12, 1565215), (15, 1252172), (20, 939129), (30, 626086), (60, 313043), (229, 82020), (458, 41010), (687, 27340), (916, 20505), (1145, 16404), (1367, 13740), (1374, 13670), (2290, 8202), (2734, 6870), (2748, 6835), (3435, 5468), (4101, 4580)]