18881530

素因数分解:

$2^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2789}}^1$

素因数の和:3473

約数の個数: 16

約数和(自身を含む): 34049160

約数和(自身を除く): 15167630

約数列:

[1, 2, 5, 10, 677, 1354, 2789, 3385, 5578, 6770, 13945, 27890, 1888153, 3776306, 9440765, 18881530]

約数ペア:

[(1, 18881530), (2, 9440765), (5, 3776306), (10, 1888153), (677, 27890), (1354, 13945), (2789, 6770), (3385, 5578)]