20189366536

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1987}}^1\times {\mathrm{29537}}^1$

素因数の和:31573

約数の個数: 32

約数和(自身を含む): 38756219040

約数和(自身を除く): 18566852504

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1987, 3974, 7948, 15896, 29537, 59074, 85441, 118148, 170882, 236296, 341764, 683528, 1270091, 2540182, 5080364, 10160728, 58690019, 117380038, 234760076, 469520152, 2523670817, 5047341634, 10094683268, 20189366536]

約数ペア:

[(1, 20189366536), (2, 10094683268), (4, 5047341634), (8, 2523670817), (43, 469520152), (86, 234760076), (172, 117380038), (344, 58690019), (1987, 10160728), (3974, 5080364), (7948, 2540182), (15896, 1270091), (29537, 683528), (59074, 341764), (85441, 236296), (118148, 170882)]