18988363

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 20782656

約数和(自身を除く): 1794293

約数列:

[1, 23, 37, 53, 421, 851, 1219, 1961, 9683, 15577, 22313, 45103, 358271, 513199, 825581, 18988363]

約数ペア:

[(1, 18988363), (23, 825581), (37, 513199), (53, 358271), (421, 45103), (851, 22313), (1219, 15577), (1961, 9683)]