18782040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 56648160

約数和(自身を除く): 37866120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 557, 562, 843, 1114, 1124, 1405, 1671, 1686, 2228, 2248, 2785, 2810, 3342, 3372, 4215, 4456, 5570, 5620, 6684, 6744, 8355, 8430, 11140, 11240, 13368, 16710, 16860, 22280, 33420, 33720, 66840, 156517, 313034, 469551, 626068, 782585, 939102, 1252136, 1565170, 1878204, 2347755, 3130340, 3756408, 4695510, 6260680, 9391020, 18782040]

約数ペア:

[(1, 18782040), (2, 9391020), (3, 6260680), (4, 4695510), (5, 3756408), (6, 3130340), (8, 2347755), (10, 1878204), (12, 1565170), (15, 1252136), (20, 939102), (24, 782585), (30, 626068), (40, 469551), (60, 313034), (120, 156517), (281, 66840), (557, 33720), (562, 33420), (843, 22280), (1114, 16860), (1124, 16710), (1405, 13368), (1671, 11240), (1686, 11140), (2228, 8430), (2248, 8355), (2785, 6744), (2810, 6684), (3342, 5620), (3372, 5570), (4215, 4456)]