19513263

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4969}}^1$

素因数の和:5007

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 14839377

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 4969, 14907, 34783, 54659, 84473, 104349, 163977, 253419, 382613, 591311, 929203, 1147839, 1773933, 2787609, 6504421, 19513263]

約数ペア:

[(1, 19513263), (3, 6504421), (7, 2787609), (11, 1773933), (17, 1147839), (21, 929203), (33, 591311), (51, 382613), (77, 253419), (119, 163977), (187, 104349), (231, 84473), (357, 54659), (561, 34783), (1309, 14907), (3927, 4969)]