19509700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 49496832

約数和(自身を除く): 29987132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 593, 658, 700, 940, 1175, 1186, 1316, 1645, 2350, 2372, 2965, 3290, 4151, 4700, 5930, 6580, 8225, 8302, 11860, 14825, 16450, 16604, 20755, 27871, 29650, 32900, 41510, 55742, 59300, 83020, 103775, 111484, 139355, 195097, 207550, 278710, 390194, 415100, 557420, 696775, 780388, 975485, 1393550, 1950970, 2787100, 3901940, 4877425, 9754850, 19509700]

約数ペア:

[(1, 19509700), (2, 9754850), (4, 4877425), (5, 3901940), (7, 2787100), (10, 1950970), (14, 1393550), (20, 975485), (25, 780388), (28, 696775), (35, 557420), (47, 415100), (50, 390194), (70, 278710), (94, 207550), (100, 195097), (140, 139355), (175, 111484), (188, 103775), (235, 83020), (329, 59300), (350, 55742), (470, 41510), (593, 32900), (658, 29650), (700, 27871), (940, 20755), (1175, 16604), (1186, 16450), (1316, 14825), (1645, 11860), (2350, 8302), (2372, 8225), (2965, 6580), (3290, 5930), (4151, 4700)]