19354636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 41622336

約数和(自身を除く): 22267700

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 557, 1022, 1114, 1241, 2044, 2228, 2482, 3899, 4964, 7798, 8687, 9469, 15596, 17374, 18938, 34748, 37876, 40661, 66283, 81322, 132566, 162644, 265132, 284627, 569254, 691237, 1138508, 1382474, 2764948, 4838659, 9677318, 19354636]

約数ペア:

[(1, 19354636), (2, 9677318), (4, 4838659), (7, 2764948), (14, 1382474), (17, 1138508), (28, 691237), (34, 569254), (68, 284627), (73, 265132), (119, 162644), (146, 132566), (238, 81322), (292, 66283), (476, 40661), (511, 37876), (557, 34748), (1022, 18938), (1114, 17374), (1241, 15596), (2044, 9469), (2228, 8687), (2482, 7798), (3899, 4964)]