19126880

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 45514224

約数和(自身を除く): 26387344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 691, 692, 865, 1382, 1384, 1730, 2764, 2768, 3455, 3460, 5528, 5536, 6910, 6920, 11056, 13820, 13840, 22112, 27640, 27680, 55280, 110560, 119543, 239086, 478172, 597715, 956344, 1195430, 1912688, 2390860, 3825376, 4781720, 9563440, 19126880]

約数ペア:

[(1, 19126880), (2, 9563440), (4, 4781720), (5, 3825376), (8, 2390860), (10, 1912688), (16, 1195430), (20, 956344), (32, 597715), (40, 478172), (80, 239086), (160, 119543), (173, 110560), (346, 55280), (691, 27680), (692, 27640), (865, 22112), (1382, 13840), (1384, 13820), (1730, 11056), (2764, 6920), (2768, 6910), (3455, 5536), (3460, 5528)]