18224648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 40521600

約数和(自身を除く): 22296952

約数列:

[1, 2, 4, 8, 13, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 247, 299, 401, 437, 494, 598, 802, 874, 988, 1196, 1604, 1748, 1976, 2392, 3208, 3496, 5213, 5681, 7619, 9223, 10426, 11362, 15238, 18446, 20852, 22724, 30476, 36892, 41704, 45448, 60952, 73784, 99047, 119899, 175237, 198094, 239798, 350474, 396188, 479596, 700948, 792376, 959192, 1401896, 2278081, 4556162, 9112324, 18224648]

約数ペア:

[(1, 18224648), (2, 9112324), (4, 4556162), (8, 2278081), (13, 1401896), (19, 959192), (23, 792376), (26, 700948), (38, 479596), (46, 396188), (52, 350474), (76, 239798), (92, 198094), (104, 175237), (152, 119899), (184, 99047), (247, 73784), (299, 60952), (401, 45448), (437, 41704), (494, 36892), (598, 30476), (802, 22724), (874, 20852), (988, 18446), (1196, 15238), (1604, 11362), (1748, 10426), (1976, 9223), (2392, 7619), (3208, 5681), (3496, 5213)]