18815568

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{5521}}^1$

素因数の和:5603

約数の個数: 40

約数和(自身を含む): 49300416

約数和(自身を除く): 30484848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 5521, 11042, 16563, 22084, 33126, 44168, 66252, 88336, 132504, 265008, 391991, 783982, 1175973, 1567964, 2351946, 3135928, 4703892, 6271856, 9407784, 18815568]

約数ペア:

[(1, 18815568), (2, 9407784), (3, 6271856), (4, 4703892), (6, 3135928), (8, 2351946), (12, 1567964), (16, 1175973), (24, 783982), (48, 391991), (71, 265008), (142, 132504), (213, 88336), (284, 66252), (426, 44168), (568, 33126), (852, 22084), (1136, 16563), (1704, 11042), (3408, 5521)]