18880136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2939}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 20280664

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 2939, 3212, 5878, 6424, 11756, 23512, 32329, 64658, 129316, 214547, 258632, 429094, 858188, 1716376, 2360017, 4720034, 9440068, 18880136]

約数ペア:

[(1, 18880136), (2, 9440068), (4, 4720034), (8, 2360017), (11, 1716376), (22, 858188), (44, 429094), (73, 258632), (88, 214547), (146, 129316), (292, 64658), (584, 32329), (803, 23512), (1606, 11756), (2939, 6424), (3212, 5878)]