17780814

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{13913}}^1$

素因数の和:13992

約数の個数: 24

約数和(自身を含む): 39070512

約数和(自身を除く): 21289698

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 13913, 27826, 41739, 83478, 125217, 250434, 987823, 1975646, 2963469, 5926938, 8890407, 17780814]

約数ペア:

[(1, 17780814), (2, 8890407), (3, 5926938), (6, 2963469), (9, 1975646), (18, 987823), (71, 250434), (142, 125217), (213, 83478), (426, 41739), (639, 27826), (1278, 13913)]