19808028

素因数分解:

$2^2\times 3^2\times {\mathrm{569}}^1\times {\mathrm{967}}^1$

素因数の和:1546

約数の個数: 36

約数和(自身を含む): 50210160

約数和(自身を除く): 30402132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569, 967, 1138, 1707, 1934, 2276, 2901, 3414, 3868, 5121, 5802, 6828, 8703, 10242, 11604, 17406, 20484, 34812, 550223, 1100446, 1650669, 2200892, 3301338, 4952007, 6602676, 9904014, 19808028]

約数ペア:

[(1, 19808028), (2, 9904014), (3, 6602676), (4, 4952007), (6, 3301338), (9, 2200892), (12, 1650669), (18, 1100446), (36, 550223), (569, 34812), (967, 20484), (1138, 17406), (1707, 11604), (1934, 10242), (2276, 8703), (2901, 6828), (3414, 5802), (3868, 5121)]