19284620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2671}}^1$

素因数の和:2718

約数の個数: 36

約数和(自身を含む): 42757344

約数和(自身を除く): 23472724

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2671, 3610, 5342, 7220, 10684, 13355, 26710, 50749, 53420, 101498, 202996, 253745, 507490, 964231, 1014980, 1928462, 3856924, 4821155, 9642310, 19284620]

約数ペア:

[(1, 19284620), (2, 9642310), (4, 4821155), (5, 3856924), (10, 1928462), (19, 1014980), (20, 964231), (38, 507490), (76, 253745), (95, 202996), (190, 101498), (361, 53420), (380, 50749), (722, 26710), (1444, 13355), (1805, 10684), (2671, 7220), (3610, 5342)]