18764385

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{23603}}^1$

素因数の和:23664

約数の個数: 16

約数和(自身を含む): 30590784

約数和(自身を除く): 11826399

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 23603, 70809, 118015, 354045, 1250959, 3752877, 6254795, 18764385]

約数ペア:

[(1, 18764385), (3, 6254795), (5, 3752877), (15, 1250959), (53, 354045), (159, 118015), (265, 70809), (795, 23603)]