18745710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4561}}^1$

素因数の和:4708

約数の個数: 32

約数和(自身を含む): 45328032

約数和(自身を除く): 26582322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 4561, 9122, 13683, 22805, 27366, 45610, 68415, 136830, 624857, 1249714, 1874571, 3124285, 3749142, 6248570, 9372855, 18745710]

約数ペア:

[(1, 18745710), (2, 9372855), (3, 6248570), (5, 3749142), (6, 3124285), (10, 1874571), (15, 1249714), (30, 624857), (137, 136830), (274, 68415), (411, 45610), (685, 27366), (822, 22805), (1370, 13683), (2055, 9122), (4110, 4561)]