18787710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{977}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 45207072

約数和(自身を除く): 26419362

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 977, 1282, 1923, 1954, 2931, 3205, 3846, 4885, 5862, 6410, 9615, 9770, 14655, 19230, 29310, 626257, 1252514, 1878771, 3131285, 3757542, 6262570, 9393855, 18787710]

約数ペア:

[(1, 18787710), (2, 9393855), (3, 6262570), (5, 3757542), (6, 3131285), (10, 1878771), (15, 1252514), (30, 626257), (641, 29310), (977, 19230), (1282, 14655), (1923, 9770), (1954, 9615), (2931, 6410), (3205, 5862), (3846, 4885)]