18683580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311393}}^1$

素因数の和:311405

約数の個数: 24

約数和(自身を含む): 52314192

約数和(自身を除く): 33630612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311393, 622786, 934179, 1245572, 1556965, 1868358, 3113930, 3736716, 4670895, 6227860, 9341790, 18683580]

約数ペア:

[(1, 18683580), (2, 9341790), (3, 6227860), (4, 4670895), (5, 3736716), (6, 3113930), (10, 1868358), (12, 1556965), (15, 1245572), (20, 934179), (30, 622786), (60, 311393)]