18609808

素因数分解:

$2^4\times 7^3\times {\mathrm{3391}}^1$

素因数の和:3420

約数の個数: 40

約数和(自身を含む): 42060800

約数和(自身を除く): 23450992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3391, 5488, 6782, 13564, 23737, 27128, 47474, 54256, 94948, 166159, 189896, 332318, 379792, 664636, 1163113, 1329272, 2326226, 2658544, 4652452, 9304904, 18609808]

約数ペア:

[(1, 18609808), (2, 9304904), (4, 4652452), (7, 2658544), (8, 2326226), (14, 1329272), (16, 1163113), (28, 664636), (49, 379792), (56, 332318), (98, 189896), (112, 166159), (196, 94948), (343, 54256), (392, 47474), (686, 27128), (784, 23737), (1372, 13564), (2744, 6782), (3391, 5488)]