1915696784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{4999}}^1$

素因数の和:5607

約数の個数: 40

約数和(自身を含む): 3805560000

約数和(自身を除く): 1889863216

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 557, 688, 1114, 2228, 4456, 4999, 8912, 9998, 19996, 23951, 39992, 47902, 79984, 95804, 191608, 214957, 383216, 429914, 859828, 1719656, 2784443, 3439312, 5568886, 11137772, 22275544, 44551088, 119731049, 239462098, 478924196, 957848392, 1915696784]

約数ペア:

[(1, 1915696784), (2, 957848392), (4, 478924196), (8, 239462098), (16, 119731049), (43, 44551088), (86, 22275544), (172, 11137772), (344, 5568886), (557, 3439312), (688, 2784443), (1114, 1719656), (2228, 859828), (4456, 429914), (4999, 383216), (8912, 214957), (9998, 191608), (19996, 95804), (23951, 79984), (39992, 47902)]