19657290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{655243}}^1$

素因数の和:655253

約数の個数: 16

約数和(自身を含む): 47177568

約数和(自身を除く): 27520278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 655243, 1310486, 1965729, 3276215, 3931458, 6552430, 9828645, 19657290]

約数ペア:

[(1, 19657290), (2, 9828645), (3, 6552430), (5, 3931458), (6, 3276215), (10, 1965729), (15, 1310486), (30, 655243)]