18431742

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 43535232

約数和(自身を除く): 25103490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 883, 994, 1491, 1766, 2649, 2982, 3479, 5298, 6181, 6958, 10437, 12362, 18543, 20874, 37086, 43267, 62693, 86534, 125386, 129801, 188079, 259602, 376158, 438851, 877702, 1316553, 2633106, 3071957, 6143914, 9215871, 18431742]

約数ペア:

[(1, 18431742), (2, 9215871), (3, 6143914), (6, 3071957), (7, 2633106), (14, 1316553), (21, 877702), (42, 438851), (49, 376158), (71, 259602), (98, 188079), (142, 129801), (147, 125386), (213, 86534), (294, 62693), (426, 43267), (497, 37086), (883, 20874), (994, 18543), (1491, 12362), (1766, 10437), (2649, 6958), (2982, 6181), (3479, 5298)]