19718760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2251}}^1$

素因数の和:2338

約数の個数: 64

約数和(自身を含む): 59993280

約数和(自身を除く): 40274520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2251, 2920, 4380, 4502, 6753, 8760, 9004, 11255, 13506, 18008, 22510, 27012, 33765, 45020, 54024, 67530, 90040, 135060, 164323, 270120, 328646, 492969, 657292, 821615, 985938, 1314584, 1643230, 1971876, 2464845, 3286460, 3943752, 4929690, 6572920, 9859380, 19718760]

約数ペア:

[(1, 19718760), (2, 9859380), (3, 6572920), (4, 4929690), (5, 3943752), (6, 3286460), (8, 2464845), (10, 1971876), (12, 1643230), (15, 1314584), (20, 985938), (24, 821615), (30, 657292), (40, 492969), (60, 328646), (73, 270120), (120, 164323), (146, 135060), (219, 90040), (292, 67530), (365, 54024), (438, 45020), (584, 33765), (730, 27012), (876, 22510), (1095, 18008), (1460, 13506), (1752, 11255), (2190, 9004), (2251, 8760), (2920, 6753), (4380, 4502)]