18921238

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 34712064

約数和(自身を除く): 15790826

約数列:

[1, 2, 7, 14, 17, 34, 107, 119, 214, 238, 743, 749, 1486, 1498, 1819, 3638, 5201, 10402, 12631, 12733, 25262, 25466, 79501, 88417, 159002, 176834, 556507, 1113014, 1351517, 2703034, 9460619, 18921238]

約数ペア:

[(1, 18921238), (2, 9460619), (7, 2703034), (14, 1351517), (17, 1113014), (34, 556507), (107, 176834), (119, 159002), (214, 88417), (238, 79501), (743, 25466), (749, 25262), (1486, 12733), (1498, 12631), (1819, 10402), (3638, 5201)]