19109794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 31899312

約数和(自身を除く): 12789518

約数列:

[1, 2, 11, 22, 73, 146, 163, 326, 803, 1606, 1793, 3586, 5329, 10658, 11899, 23798, 58619, 117238, 130889, 261778, 868627, 1737254, 9554897, 19109794]

約数ペア:

[(1, 19109794), (2, 9554897), (11, 1737254), (22, 868627), (73, 261778), (146, 130889), (163, 117238), (326, 58619), (803, 23798), (1606, 11899), (1793, 10658), (3586, 5329)]