19147205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 29369088

約数和(自身を除く): 10221883

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1213, 1435, 2255, 3157, 6065, 8491, 13343, 15785, 42455, 49733, 66715, 93401, 248665, 348131, 467005, 547063, 1740655, 2735315, 3829441, 19147205]

約数ペア:

[(1, 19147205), (5, 3829441), (7, 2735315), (11, 1740655), (35, 547063), (41, 467005), (55, 348131), (77, 248665), (205, 93401), (287, 66715), (385, 49733), (451, 42455), (1213, 15785), (1435, 13343), (2255, 8491), (3157, 6065)]