19599268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 37712640

約数和(自身を除く): 18113372

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 169, 316, 338, 367, 676, 734, 1027, 1468, 2054, 4108, 4771, 9542, 13351, 19084, 26702, 28993, 53404, 57986, 62023, 115972, 124046, 248092, 376909, 753818, 1507636, 4899817, 9799634, 19599268]

約数ペア:

[(1, 19599268), (2, 9799634), (4, 4899817), (13, 1507636), (26, 753818), (52, 376909), (79, 248092), (158, 124046), (169, 115972), (316, 62023), (338, 57986), (367, 53404), (676, 28993), (734, 26702), (1027, 19084), (1468, 13351), (2054, 9542), (4108, 4771)]