19636595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 28968192

約数和(自身を除く): 9331597

約数列:

[1, 5, 11, 19, 23, 43, 55, 95, 115, 209, 215, 253, 361, 437, 473, 817, 989, 1045, 1265, 1805, 2185, 2365, 3971, 4085, 4807, 4945, 8303, 8987, 10879, 15523, 18791, 19855, 24035, 41515, 44935, 54395, 77615, 91333, 93955, 170753, 206701, 357029, 456665, 853765, 1033505, 1785145, 3927319, 19636595]

約数ペア:

[(1, 19636595), (5, 3927319), (11, 1785145), (19, 1033505), (23, 853765), (43, 456665), (55, 357029), (95, 206701), (115, 170753), (209, 93955), (215, 91333), (253, 77615), (361, 54395), (437, 44935), (473, 41515), (817, 24035), (989, 19855), (1045, 18791), (1265, 15523), (1805, 10879), (2185, 8987), (2365, 8303), (3971, 4945), (4085, 4807)]