18696741

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 30658560

約数和(自身を除く): 11961819

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 997, 2679, 2991, 6251, 6979, 18753, 18943, 20937, 46859, 56829, 132601, 140577, 328013, 397803, 890321, 984039, 2670963, 6232247, 18696741]

約数ペア:

[(1, 18696741), (3, 6232247), (7, 2670963), (19, 984039), (21, 890321), (47, 397803), (57, 328013), (133, 140577), (141, 132601), (329, 56829), (399, 46859), (893, 20937), (987, 18943), (997, 18753), (2679, 6979), (2991, 6251)]