18430921

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 19904400

約数和(自身を除く): 1473479

約数列:

[1, 29, 37, 89, 193, 1073, 2581, 3293, 5597, 7141, 17177, 95497, 207089, 498133, 635549, 18430921]

約数ペア:

[(1, 18430921), (29, 635549), (37, 498133), (89, 207089), (193, 95497), (1073, 17177), (2581, 7141), (3293, 5597)]