18961190

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1471}}^1$

素因数の和:2767

約数の個数: 16

約数和(自身を含む): 34179840

約数和(自身を除く): 15218650

約数列:

[1, 2, 5, 10, 1289, 1471, 2578, 2942, 6445, 7355, 12890, 14710, 1896119, 3792238, 9480595, 18961190]

約数ペア:

[(1, 18961190), (2, 9480595), (5, 3792238), (10, 1896119), (1289, 14710), (1471, 12890), (2578, 7355), (2942, 6445)]