2018720656

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1217}}^1\times {\mathrm{2411}}^1$

素因数の和:3679

約数の個数: 40

約数和(自身を含む): 4007181024

約数和(自身を除く): 1988460368

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1217, 2411, 2434, 4822, 4868, 9644, 9736, 19288, 19472, 38576, 52331, 103673, 104662, 207346, 209324, 414692, 418648, 829384, 837296, 1658768, 2934187, 5868374, 11736748, 23473496, 46946992, 126170041, 252340082, 504680164, 1009360328, 2018720656]

約数ペア:

[(1, 2018720656), (2, 1009360328), (4, 504680164), (8, 252340082), (16, 126170041), (43, 46946992), (86, 23473496), (172, 11736748), (344, 5868374), (688, 2934187), (1217, 1658768), (2411, 837296), (2434, 829384), (4822, 418648), (4868, 414692), (9644, 209324), (9736, 207346), (19288, 104662), (19472, 103673), (38576, 52331)]