19917786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4889}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 46005120

約数和(自身を除く): 26087334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 4889, 9778, 14667, 29334, 34223, 68446, 102669, 205338, 474233, 948466, 1422699, 2845398, 3319631, 6639262, 9958893, 19917786]

約数ペア:

[(1, 19917786), (2, 9958893), (3, 6639262), (6, 3319631), (7, 2845398), (14, 1422699), (21, 948466), (42, 474233), (97, 205338), (194, 102669), (291, 68446), (582, 34223), (679, 29334), (1358, 14667), (2037, 9778), (4074, 4889)]