18686830

素因数分解:

$2^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1901}}^1$

素因数の和:2891

約数の個数: 16

約数和(自身を含む): 33688224

約数和(自身を除く): 15001394

約数列:

[1, 2, 5, 10, 983, 1901, 1966, 3802, 4915, 9505, 9830, 19010, 1868683, 3737366, 9343415, 18686830]

約数ペア:

[(1, 18686830), (2, 9343415), (5, 3737366), (10, 1868683), (983, 19010), (1901, 9830), (1966, 9505), (3802, 4915)]