19921592

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80329}}^1$

素因数の和:80366

約数の個数: 16

約数和(自身を含む): 38558400

約数和(自身を除く): 18636808

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80329, 160658, 321316, 642632, 2490199, 4980398, 9960796, 19921592]

約数ペア:

[(1, 19921592), (2, 9960796), (4, 4980398), (8, 2490199), (31, 642632), (62, 321316), (124, 160658), (248, 80329)]