19388888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 38559360

約数和(自身を除く): 19170472

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2113, 2294, 4226, 4588, 8452, 9176, 16904, 65503, 78181, 131006, 156362, 262012, 312724, 524024, 625448, 2423611, 4847222, 9694444, 19388888]

約数ペア:

[(1, 19388888), (2, 9694444), (4, 4847222), (8, 2423611), (31, 625448), (37, 524024), (62, 312724), (74, 262012), (124, 156362), (148, 131006), (248, 78181), (296, 65503), (1147, 16904), (2113, 9176), (2294, 8452), (4226, 4588)]