19982193

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3761}}^1$

素因数の和:3805

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 14688399

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3761, 5313, 11283, 26327, 41371, 78981, 86503, 124113, 259509, 289597, 605521, 868791, 951533, 1816563, 2854599, 6660731, 19982193]

約数ペア:

[(1, 19982193), (3, 6660731), (7, 2854599), (11, 1816563), (21, 951533), (23, 868791), (33, 605521), (69, 289597), (77, 259509), (161, 124113), (231, 86503), (253, 78981), (483, 41371), (759, 26327), (1771, 11283), (3761, 5313)]