19782972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{49957}}^1$

素因数の和:49978

約数の個数: 36

約数和(自身を含む): 54554136

約数和(自身を除く): 34771164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 49957, 99914, 149871, 199828, 299742, 449613, 549527, 599484, 899226, 1099054, 1648581, 1798452, 2198108, 3297162, 4945743, 6594324, 9891486, 19782972]

約数ペア:

[(1, 19782972), (2, 9891486), (3, 6594324), (4, 4945743), (6, 3297162), (9, 2198108), (11, 1798452), (12, 1648581), (18, 1099054), (22, 899226), (33, 599484), (36, 549527), (44, 449613), (66, 299742), (99, 199828), (132, 149871), (198, 99914), (396, 49957)]