19003369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 5879831

約数列:

[1, 7, 11, 47, 59, 77, 89, 329, 413, 517, 623, 649, 979, 2773, 3619, 4183, 4543, 5251, 6853, 19411, 29281, 30503, 36757, 46013, 57761, 213521, 246797, 322091, 404327, 1727579, 2714767, 19003369]

約数ペア:

[(1, 19003369), (7, 2714767), (11, 1727579), (47, 404327), (59, 322091), (77, 246797), (89, 213521), (329, 57761), (413, 46013), (517, 36757), (623, 30503), (649, 29281), (979, 19411), (2773, 6853), (3619, 5251), (4183, 4543)]