19964488

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 38374560

約数和(自身を除く): 18410072

約数列:

[1, 2, 4, 8, 83, 107, 166, 214, 281, 332, 428, 562, 664, 856, 1124, 2248, 8881, 17762, 23323, 30067, 35524, 46646, 60134, 71048, 93292, 120268, 186584, 240536, 2495561, 4991122, 9982244, 19964488]

約数ペア:

[(1, 19964488), (2, 9982244), (4, 4991122), (8, 2495561), (83, 240536), (107, 186584), (166, 120268), (214, 93292), (281, 71048), (332, 60134), (428, 46646), (562, 35524), (664, 30067), (856, 23323), (1124, 17762), (2248, 8881)]