18989810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4049}}^1$

素因数の和:4130

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 20667790

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4049, 4690, 8098, 20245, 28343, 40490, 56686, 141715, 271283, 283430, 542566, 1356415, 1898981, 2712830, 3797962, 9494905, 18989810]

約数ペア:

[(1, 18989810), (2, 9494905), (5, 3797962), (7, 2712830), (10, 1898981), (14, 1356415), (35, 542566), (67, 283430), (70, 271283), (134, 141715), (335, 56686), (469, 40490), (670, 28343), (938, 20245), (2345, 8098), (4049, 4690)]