18772505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 6442471

約数列:

[1, 5, 17, 37, 47, 85, 127, 185, 235, 629, 635, 799, 1739, 2159, 3145, 3995, 4699, 5969, 8695, 10795, 23495, 29563, 29845, 79883, 101473, 147815, 220853, 399415, 507365, 1104265, 3754501, 18772505]

約数ペア:

[(1, 18772505), (5, 3754501), (17, 1104265), (37, 507365), (47, 399415), (85, 220853), (127, 147815), (185, 101473), (235, 79883), (629, 29845), (635, 29563), (799, 23495), (1739, 10795), (2159, 8695), (3145, 5969), (3995, 4699)]