18419673

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26790912

約数和(自身を除く): 8371239

約数列:

[1, 3, 31, 37, 53, 93, 101, 111, 159, 303, 1147, 1643, 1961, 3131, 3441, 3737, 4929, 5353, 5883, 9393, 11211, 16059, 60791, 115847, 165943, 182373, 198061, 347541, 497829, 594183, 6139891, 18419673]

約数ペア:

[(1, 18419673), (3, 6139891), (31, 594183), (37, 497829), (53, 347541), (93, 198061), (101, 182373), (111, 165943), (159, 115847), (303, 60791), (1147, 16059), (1643, 11211), (1961, 9393), (3131, 5883), (3441, 5353), (3737, 4929)]