19475680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17389}}^1$

素因数の和:17411

約数の個数: 48

約数和(自身を含む): 52587360

約数和(自身を除く): 33111680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17389, 34778, 69556, 86945, 121723, 139112, 173890, 243446, 278224, 347780, 486892, 556448, 608615, 695560, 973784, 1217230, 1391120, 1947568, 2434460, 2782240, 3895136, 4868920, 9737840, 19475680]

約数ペア:

[(1, 19475680), (2, 9737840), (4, 4868920), (5, 3895136), (7, 2782240), (8, 2434460), (10, 1947568), (14, 1391120), (16, 1217230), (20, 973784), (28, 695560), (32, 608615), (35, 556448), (40, 486892), (56, 347780), (70, 278224), (80, 243446), (112, 173890), (140, 139112), (160, 121723), (224, 86945), (280, 69556), (560, 34778), (1120, 17389)]