19787745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 14226207

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1063, 1095, 1241, 3189, 3723, 5315, 6205, 15945, 18071, 18615, 54213, 77599, 90355, 232797, 271065, 387995, 1163985, 1319183, 3957549, 6595915, 19787745]

約数ペア:

[(1, 19787745), (3, 6595915), (5, 3957549), (15, 1319183), (17, 1163985), (51, 387995), (73, 271065), (85, 232797), (219, 90355), (255, 77599), (365, 54213), (1063, 18615), (1095, 18071), (1241, 15945), (3189, 6205), (3723, 5315)]