19458828

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 52206336

約数和(自身を除く): 32747508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 284, 331, 414, 426, 639, 662, 828, 852, 993, 1278, 1324, 1633, 1986, 2556, 2979, 3266, 3972, 4899, 5958, 6532, 7613, 9798, 11916, 14697, 15226, 19596, 22839, 23501, 29394, 30452, 45678, 47002, 58788, 68517, 70503, 91356, 94004, 137034, 141006, 211509, 274068, 282012, 423018, 540523, 846036, 1081046, 1621569, 2162092, 3243138, 4864707, 6486276, 9729414, 19458828]

約数ペア:

[(1, 19458828), (2, 9729414), (3, 6486276), (4, 4864707), (6, 3243138), (9, 2162092), (12, 1621569), (18, 1081046), (23, 846036), (36, 540523), (46, 423018), (69, 282012), (71, 274068), (92, 211509), (138, 141006), (142, 137034), (207, 94004), (213, 91356), (276, 70503), (284, 68517), (331, 58788), (414, 47002), (426, 45678), (639, 30452), (662, 29394), (828, 23501), (852, 22839), (993, 19596), (1278, 15226), (1324, 14697), (1633, 11916), (1986, 9798), (2556, 7613), (2979, 6532), (3266, 5958), (3972, 4899)]