18886930

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7349}}^1$

素因数の和:7613

約数の個数: 16

約数和(自身を含む): 34133400

約数和(自身を除く): 15246470

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 7349, 14698, 36745, 73490, 1888693, 3777386, 9443465, 18886930]

約数ペア:

[(1, 18886930), (2, 9443465), (5, 3777386), (10, 1888693), (257, 73490), (514, 36745), (1285, 14698), (2570, 7349)]