18255850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:231

約数の個数: 36

約数和(自身を含む): 35018406

約数和(自身を除く): 16762556

約数列:

[1, 2, 5, 10, 25, 50, 53, 83, 106, 166, 265, 415, 530, 830, 1325, 2075, 2650, 4150, 4399, 6889, 8798, 13778, 21995, 34445, 43990, 68890, 109975, 172225, 219950, 344450, 365117, 730234, 1825585, 3651170, 9127925, 18255850]

約数ペア:

[(1, 18255850), (2, 9127925), (5, 3651170), (10, 1825585), (25, 730234), (50, 365117), (53, 344450), (83, 219950), (106, 172225), (166, 109975), (265, 68890), (415, 43990), (530, 34445), (830, 21995), (1325, 13778), (2075, 8798), (2650, 6889), (4150, 4399)]