19002990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14731}}^1$

素因数の和:14784

約数の個数: 32

約数和(自身を含む): 46670976

約数和(自身を除く): 27667986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 14731, 29462, 44193, 73655, 88386, 147310, 220965, 441930, 633433, 1266866, 1900299, 3167165, 3800598, 6334330, 9501495, 19002990]

約数ペア:

[(1, 19002990), (2, 9501495), (3, 6334330), (5, 3800598), (6, 3167165), (10, 1900299), (15, 1266866), (30, 633433), (43, 441930), (86, 220965), (129, 147310), (215, 88386), (258, 73655), (430, 44193), (645, 29462), (1290, 14731)]