18993345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3413}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 35396352

約数和(自身を除く): 16403007

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3413, 5565, 10239, 17065, 23891, 51195, 71673, 119455, 180889, 358365, 542667, 904445, 1266223, 2713335, 3798669, 6331115, 18993345]

約数ペア:

[(1, 18993345), (3, 6331115), (5, 3798669), (7, 2713335), (15, 1266223), (21, 904445), (35, 542667), (53, 358365), (105, 180889), (159, 119455), (265, 71673), (371, 51195), (795, 23891), (1113, 17065), (1855, 10239), (3413, 5565)]