19872036

素因数分解:

$2^2\times 3^2\times {\mathrm{552001}}^1$

素因数の和:552011

約数の個数: 18

約数和(自身を含む): 50232182

約数和(自身を除く): 30360146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552001, 1104002, 1656003, 2208004, 3312006, 4968009, 6624012, 9936018, 19872036]

約数ペア:

[(1, 19872036), (2, 9936018), (3, 6624012), (4, 4968009), (6, 3312006), (9, 2208004), (12, 1656003), (18, 1104002), (36, 552001)]