19967244

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 51090816

約数和(自身を除く): 31123572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 331, 457, 662, 914, 993, 1324, 1371, 1828, 1986, 2742, 3641, 3972, 5027, 5484, 7282, 10054, 10923, 14564, 15081, 20108, 21846, 30162, 43692, 60324, 151267, 302534, 453801, 605068, 907602, 1663937, 1815204, 3327874, 4991811, 6655748, 9983622, 19967244]

約数ペア:

[(1, 19967244), (2, 9983622), (3, 6655748), (4, 4991811), (6, 3327874), (11, 1815204), (12, 1663937), (22, 907602), (33, 605068), (44, 453801), (66, 302534), (132, 151267), (331, 60324), (457, 43692), (662, 30162), (914, 21846), (993, 20108), (1324, 15081), (1371, 14564), (1828, 10923), (1986, 10054), (2742, 7282), (3641, 5484), (3972, 5027)]