19645070

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 16707730

約数列:

[1, 2, 5, 10, 67, 109, 134, 218, 269, 335, 538, 545, 670, 1090, 1345, 2690, 7303, 14606, 18023, 29321, 36046, 36515, 58642, 73030, 90115, 146605, 180230, 293210, 1964507, 3929014, 9822535, 19645070]

約数ペア:

[(1, 19645070), (2, 9822535), (5, 3929014), (10, 1964507), (67, 293210), (109, 180230), (134, 146605), (218, 90115), (269, 73030), (335, 58642), (538, 36515), (545, 36046), (670, 29321), (1090, 18023), (1345, 14606), (2690, 7303)]