19529784

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7331}}^1$

素因数の和:7380

約数の個数: 48

約数和(自身を含む): 54330120

約数和(自身を除く): 34800336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7331, 14662, 21993, 29324, 43986, 58648, 65979, 87972, 131958, 175944, 263916, 271247, 527832, 542494, 813741, 1084988, 1627482, 2169976, 2441223, 3254964, 4882446, 6509928, 9764892, 19529784]

約数ペア:

[(1, 19529784), (2, 9764892), (3, 6509928), (4, 4882446), (6, 3254964), (8, 2441223), (9, 2169976), (12, 1627482), (18, 1084988), (24, 813741), (36, 542494), (37, 527832), (72, 271247), (74, 263916), (111, 175944), (148, 131958), (222, 87972), (296, 65979), (333, 58648), (444, 43986), (666, 29324), (888, 21993), (1332, 14662), (2664, 7331)]