19776590

素因数分解:

$2^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3001}}^1$

素因数の和:3667

約数の個数: 16

約数和(自身を含む): 35663760

約数和(自身を除く): 15887170

約数列:

[1, 2, 5, 10, 659, 1318, 3001, 3295, 6002, 6590, 15005, 30010, 1977659, 3955318, 9888295, 19776590]

約数ペア:

[(1, 19776590), (2, 9888295), (5, 3955318), (10, 1977659), (659, 30010), (1318, 15005), (3001, 6590), (3295, 6002)]