19946589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 30745344

約数和(自身を除く): 10798755

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 481, 601, 851, 897, 1443, 1803, 2553, 7813, 11063, 13823, 22237, 23439, 33189, 41469, 66711, 179699, 289081, 511451, 539097, 867243, 1534353, 6648863, 19946589]

約数ペア:

[(1, 19946589), (3, 6648863), (13, 1534353), (23, 867243), (37, 539097), (39, 511451), (69, 289081), (111, 179699), (299, 66711), (481, 41469), (601, 33189), (851, 23439), (897, 22237), (1443, 13823), (1803, 11063), (2553, 7813)]