18392860

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1873}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 38724336

約数和(自身を除く): 20331476

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1873, 1964, 2455, 3746, 4910, 7492, 9365, 9820, 18730, 37460, 919643, 1839286, 3678572, 4598215, 9196430, 18392860]

約数ペア:

[(1, 18392860), (2, 9196430), (4, 4598215), (5, 3678572), (10, 1839286), (20, 919643), (491, 37460), (982, 18730), (1873, 9820), (1964, 9365), (2455, 7492), (3746, 4910)]