18956504

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2027}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 21927976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2027, 2338, 4054, 4676, 8108, 9352, 14189, 16216, 28378, 56756, 113512, 338509, 677018, 1354036, 2369563, 2708072, 4739126, 9478252, 18956504]

約数ペア:

[(1, 18956504), (2, 9478252), (4, 4739126), (7, 2708072), (8, 2369563), (14, 1354036), (28, 677018), (56, 338509), (167, 113512), (334, 56756), (668, 28378), (1169, 16216), (1336, 14189), (2027, 9352), (2338, 8108), (4054, 4676)]