19766320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 53710848

約数和(自身を除く): 33944528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 751, 752, 940, 1316, 1502, 1645, 1880, 2632, 3004, 3290, 3755, 3760, 5257, 5264, 6008, 6580, 7510, 10514, 12016, 13160, 15020, 21028, 26285, 26320, 30040, 35297, 42056, 52570, 60080, 70594, 84112, 105140, 141188, 176485, 210280, 247079, 282376, 352970, 420560, 494158, 564752, 705940, 988316, 1235395, 1411880, 1976632, 2470790, 2823760, 3953264, 4941580, 9883160, 19766320]

約数ペア:

[(1, 19766320), (2, 9883160), (4, 4941580), (5, 3953264), (7, 2823760), (8, 2470790), (10, 1976632), (14, 1411880), (16, 1235395), (20, 988316), (28, 705940), (35, 564752), (40, 494158), (47, 420560), (56, 352970), (70, 282376), (80, 247079), (94, 210280), (112, 176485), (140, 141188), (188, 105140), (235, 84112), (280, 70594), (329, 60080), (376, 52570), (470, 42056), (560, 35297), (658, 30040), (751, 26320), (752, 26285), (940, 21028), (1316, 15020), (1502, 13160), (1645, 12016), (1880, 10514), (2632, 7510), (3004, 6580), (3290, 6008), (3755, 5264), (3760, 5257)]