18740374

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 28684800

約数和(自身を除く): 9944426

約数列:

[1, 2, 89, 127, 178, 254, 829, 1658, 11303, 22606, 73781, 105283, 147562, 210566, 9370187, 18740374]

約数ペア:

[(1, 18740374), (2, 9370187), (89, 210566), (127, 147562), (178, 105283), (254, 73781), (829, 22606), (1658, 11303)]