19606864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20089}}^1$

素因数の和:20158

約数の個数: 20

約数和(自身を含む): 38612980

約数和(自身を除く): 19006116

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20089, 40178, 80356, 160712, 321424, 1225429, 2450858, 4901716, 9803432, 19606864]

約数ペア:

[(1, 19606864), (2, 9803432), (4, 4901716), (8, 2450858), (16, 1225429), (61, 321424), (122, 160712), (244, 80356), (488, 40178), (976, 20089)]