18106060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5623}}^1$

素因数の和:5662

約数の個数: 48

約数和(自身を含む): 45351936

約数和(自身を除く): 27245876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5623, 11246, 22492, 28115, 39361, 56230, 78722, 112460, 129329, 157444, 196805, 258658, 393610, 517316, 646645, 787220, 905303, 1293290, 1810606, 2586580, 3621212, 4526515, 9053030, 18106060]

約数ペア:

[(1, 18106060), (2, 9053030), (4, 4526515), (5, 3621212), (7, 2586580), (10, 1810606), (14, 1293290), (20, 905303), (23, 787220), (28, 646645), (35, 517316), (46, 393610), (70, 258658), (92, 196805), (115, 157444), (140, 129329), (161, 112460), (230, 78722), (322, 56230), (460, 39361), (644, 28115), (805, 22492), (1610, 11246), (3220, 5623)]