19151290

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4549}}^1$

素因数の和:4977

約数の個数: 16

約数和(自身を含む): 34561800

約数和(自身を除く): 15410510

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4549, 9098, 22745, 45490, 1915129, 3830258, 9575645, 19151290]

約数ペア:

[(1, 19151290), (2, 9575645), (5, 3830258), (10, 1915129), (421, 45490), (842, 22745), (2105, 9098), (4210, 4549)]