19486876120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{53849}}^1$

素因数の和:54052

約数の個数: 64

約数和(自身を含む): 44781660000

約数和(自身を除く): 25294783880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 109, 166, 218, 332, 415, 436, 545, 664, 830, 872, 1090, 1660, 2180, 3320, 4360, 9047, 18094, 36188, 45235, 53849, 72376, 90470, 107698, 180940, 215396, 269245, 361880, 430792, 538490, 1076980, 2153960, 4469467, 5869541, 8938934, 11739082, 17877868, 22347335, 23478164, 29347705, 35755736, 44694670, 46956328, 58695410, 89389340, 117390820, 178778680, 234781640, 487171903, 974343806, 1948687612, 2435859515, 3897375224, 4871719030, 9743438060, 19486876120]

約数ペア:

[(1, 19486876120), (2, 9743438060), (4, 4871719030), (5, 3897375224), (8, 2435859515), (10, 1948687612), (20, 974343806), (40, 487171903), (83, 234781640), (109, 178778680), (166, 117390820), (218, 89389340), (332, 58695410), (415, 46956328), (436, 44694670), (545, 35755736), (664, 29347705), (830, 23478164), (872, 22347335), (1090, 17877868), (1660, 11739082), (2180, 8938934), (3320, 5869541), (4360, 4469467), (9047, 2153960), (18094, 1076980), (36188, 538490), (45235, 430792), (53849, 361880), (72376, 269245), (90470, 215396), (107698, 180940)]