19745772

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2251}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 49940352

約数和(自身を除く): 30194580

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2251, 2924, 4386, 4502, 6753, 8772, 9004, 13506, 27012, 38267, 76534, 96793, 114801, 153068, 193586, 229602, 290379, 387172, 459204, 580758, 1161516, 1645481, 3290962, 4936443, 6581924, 9872886, 19745772]

約数ペア:

[(1, 19745772), (2, 9872886), (3, 6581924), (4, 4936443), (6, 3290962), (12, 1645481), (17, 1161516), (34, 580758), (43, 459204), (51, 387172), (68, 290379), (86, 229602), (102, 193586), (129, 153068), (172, 114801), (204, 96793), (258, 76534), (516, 38267), (731, 27012), (1462, 13506), (2193, 9004), (2251, 8772), (2924, 6753), (4386, 4502)]