18807404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22560916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 227, 269, 308, 454, 538, 908, 1076, 1589, 1883, 2497, 2959, 3178, 3766, 4994, 5918, 6356, 7532, 9988, 11836, 17479, 20713, 34958, 41426, 61063, 69916, 82852, 122126, 244252, 427441, 671693, 854882, 1343386, 1709764, 2686772, 4701851, 9403702, 18807404]

約数ペア:

[(1, 18807404), (2, 9403702), (4, 4701851), (7, 2686772), (11, 1709764), (14, 1343386), (22, 854882), (28, 671693), (44, 427441), (77, 244252), (154, 122126), (227, 82852), (269, 69916), (308, 61063), (454, 41426), (538, 34958), (908, 20713), (1076, 17479), (1589, 11836), (1883, 9988), (2497, 7532), (2959, 6356), (3178, 5918), (3766, 4994)]