19986532

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 35672000

約数和(自身を除く): 15685468

約数列:

[1, 2, 4, 103, 139, 206, 278, 349, 412, 556, 698, 1396, 14317, 28634, 35947, 48511, 57268, 71894, 97022, 143788, 194044, 4996633, 9993266, 19986532]

約数ペア:

[(1, 19986532), (2, 9993266), (4, 4996633), (103, 194044), (139, 143788), (206, 97022), (278, 71894), (349, 57268), (412, 48511), (556, 35947), (698, 28634), (1396, 14317)]