18493328

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1191

約数の個数: 40

約数和(自身を含む): 41241408

約数和(自身を除く): 22748080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1013, 1141, 1304, 2026, 2282, 2608, 4052, 4564, 7091, 8104, 9128, 14182, 16208, 18256, 28364, 56728, 113456, 165119, 330238, 660476, 1155833, 1320952, 2311666, 2641904, 4623332, 9246664, 18493328]

約数ペア:

[(1, 18493328), (2, 9246664), (4, 4623332), (7, 2641904), (8, 2311666), (14, 1320952), (16, 1155833), (28, 660476), (56, 330238), (112, 165119), (163, 113456), (326, 56728), (652, 28364), (1013, 18256), (1141, 16208), (1304, 14182), (2026, 9128), (2282, 8104), (2608, 7091), (4052, 4564)]