18430485

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12051435

約数列:

[1, 3, 5, 15, 53, 97, 159, 239, 265, 291, 485, 717, 795, 1195, 1455, 3585, 5141, 12667, 15423, 23183, 25705, 38001, 63335, 69549, 77115, 115915, 190005, 347745, 1228699, 3686097, 6143495, 18430485]

約数ペア:

[(1, 18430485), (3, 6143495), (5, 3686097), (15, 1228699), (53, 347745), (97, 190005), (159, 115915), (239, 77115), (265, 69549), (291, 63335), (485, 38001), (717, 25705), (795, 23183), (1195, 15423), (1455, 12667), (3585, 5141)]