19109405

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 27613440

約数和(自身を除く): 8504035

約数列:

[1, 5, 7, 29, 35, 67, 145, 203, 281, 335, 469, 1015, 1405, 1943, 1967, 2345, 8149, 9715, 9835, 13601, 18827, 40745, 57043, 68005, 94135, 131789, 285215, 545983, 658945, 2729915, 3821881, 19109405]

約数ペア:

[(1, 19109405), (5, 3821881), (7, 2729915), (29, 658945), (35, 545983), (67, 285215), (145, 131789), (203, 94135), (281, 68005), (335, 57043), (469, 40745), (1015, 18827), (1405, 13601), (1943, 9835), (1967, 9715), (2345, 8149)]