18315040

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1013}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 43695288

約数和(自身を除く): 25380248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1013, 1130, 1808, 2026, 2260, 3616, 4052, 4520, 5065, 8104, 9040, 10130, 16208, 18080, 20260, 32416, 40520, 81040, 114469, 162080, 228938, 457876, 572345, 915752, 1144690, 1831504, 2289380, 3663008, 4578760, 9157520, 18315040]

約数ペア:

[(1, 18315040), (2, 9157520), (4, 4578760), (5, 3663008), (8, 2289380), (10, 1831504), (16, 1144690), (20, 915752), (32, 572345), (40, 457876), (80, 228938), (113, 162080), (160, 114469), (226, 81040), (452, 40520), (565, 32416), (904, 20260), (1013, 18080), (1130, 16208), (1808, 10130), (2026, 9040), (2260, 8104), (3616, 5065), (4052, 4520)]