19827458

素因数分解:

$2^1\times 7^4\times {\mathrm{4129}}^1$

素因数の和:4159

約数の個数: 20

約数和(自身を含む): 34704390

約数和(自身を除く): 14876932

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4129, 4802, 8258, 28903, 57806, 202321, 404642, 1416247, 2832494, 9913729, 19827458]

約数ペア:

[(1, 19827458), (2, 9913729), (7, 2832494), (14, 1416247), (49, 404642), (98, 202321), (343, 57806), (686, 28903), (2401, 8258), (4129, 4802)]