19161219

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 32186880

約数和(自身を除く): 13025661

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 761, 763, 1199, 2283, 2289, 3597, 5327, 8371, 8393, 15981, 25113, 25179, 58597, 82949, 175791, 248847, 580643, 912439, 1741929, 2737317, 6387073, 19161219]

約数ペア:

[(1, 19161219), (3, 6387073), (7, 2737317), (11, 1741929), (21, 912439), (33, 580643), (77, 248847), (109, 175791), (231, 82949), (327, 58597), (761, 25179), (763, 25113), (1199, 15981), (2283, 8393), (2289, 8371), (3597, 5327)]