19651172

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{2657}}^1$

素因数の和:2747

約数の個数: 18

約数和(自身を含む): 35221158

約数和(自身を除く): 15569986

約数列:

[1, 2, 4, 43, 86, 172, 1849, 2657, 3698, 5314, 7396, 10628, 114251, 228502, 457004, 4912793, 9825586, 19651172]

約数ペア:

[(1, 19651172), (2, 9825586), (4, 4912793), (43, 457004), (86, 228502), (172, 114251), (1849, 10628), (2657, 7396), (3698, 5314)]