19815239185

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{3863}}^1$

素因数の和:4162

約数の個数: 64

約数和(自身を含む): 29685906432

約数和(自身を除く): 9870667247

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 233, 259, 595, 629, 1165, 1295, 1631, 3145, 3863, 3961, 4403, 8155, 8621, 19315, 19805, 22015, 27041, 27727, 43105, 60347, 65671, 135205, 138635, 142931, 146557, 301735, 328355, 459697, 714655, 732785, 900079, 1000517, 1025899, 2298485, 2429827, 4500395, 5002585, 5129495, 6300553, 12149135, 15301343, 17008789, 31502765, 33302923, 76506715, 85043945, 107109401, 166514615, 233120461, 535547005, 566149691, 1165602305, 2830748455, 3963047837, 19815239185]

約数ペア:

[(1, 19815239185), (5, 3963047837), (7, 2830748455), (17, 1165602305), (35, 566149691), (37, 535547005), (85, 233120461), (119, 166514615), (185, 107109401), (233, 85043945), (259, 76506715), (595, 33302923), (629, 31502765), (1165, 17008789), (1295, 15301343), (1631, 12149135), (3145, 6300553), (3863, 5129495), (3961, 5002585), (4403, 4500395), (8155, 2429827), (8621, 2298485), (19315, 1025899), (19805, 1000517), (22015, 900079), (27041, 732785), (27727, 714655), (43105, 459697), (60347, 328355), (65671, 301735), (135205, 146557), (138635, 142931)]