19749984

素因数分解:

$2^5\times 3^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 32323296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 419, 491, 838, 982, 1257, 1473, 1676, 1964, 2514, 2946, 3352, 3928, 5028, 5892, 6704, 7856, 10056, 11784, 13408, 15712, 20112, 23568, 40224, 47136, 205729, 411458, 617187, 822916, 1234374, 1645832, 2468748, 3291664, 4937496, 6583328, 9874992, 19749984]

約数ペア:

[(1, 19749984), (2, 9874992), (3, 6583328), (4, 4937496), (6, 3291664), (8, 2468748), (12, 1645832), (16, 1234374), (24, 822916), (32, 617187), (48, 411458), (96, 205729), (419, 47136), (491, 40224), (838, 23568), (982, 20112), (1257, 15712), (1473, 13408), (1676, 11784), (1964, 10056), (2514, 7856), (2946, 6704), (3352, 5892), (3928, 5028)]