19732005

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 35858592

約数和(自身を除く): 16126587

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 587, 747, 1245, 1761, 2241, 2935, 3735, 5283, 6723, 8805, 11205, 15849, 26415, 33615, 47547, 48721, 79245, 146163, 237735, 243605, 438489, 730815, 1315467, 2192445, 3946401, 6577335, 19732005]

約数ペア:

[(1, 19732005), (3, 6577335), (5, 3946401), (9, 2192445), (15, 1315467), (27, 730815), (45, 438489), (81, 243605), (83, 237735), (135, 146163), (249, 79245), (405, 48721), (415, 47547), (587, 33615), (747, 26415), (1245, 15849), (1761, 11205), (2241, 8805), (2935, 6723), (3735, 5283)]