18821334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3271}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 43347456

約数和(自身を除く): 24526122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3271, 5754, 6542, 9813, 19626, 22897, 45794, 68691, 137382, 448127, 896254, 1344381, 2688762, 3136889, 6273778, 9410667, 18821334]

約数ペア:

[(1, 18821334), (2, 9410667), (3, 6273778), (6, 3136889), (7, 2688762), (14, 1344381), (21, 896254), (42, 448127), (137, 137382), (274, 68691), (411, 45794), (822, 22897), (959, 19626), (1918, 9813), (2877, 6542), (3271, 5754)]