19735215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 33690816

約数和(自身を除く): 13955601

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 401, 579, 965, 1203, 2005, 2895, 3281, 6015, 6817, 9843, 16405, 20451, 34085, 49215, 77393, 102255, 232179, 386965, 1160895, 1315681, 3947043, 6578405, 19735215]

約数ペア:

[(1, 19735215), (3, 6578405), (5, 3947043), (15, 1315681), (17, 1160895), (51, 386965), (85, 232179), (193, 102255), (255, 77393), (401, 49215), (579, 34085), (965, 20451), (1203, 16405), (2005, 9843), (2895, 6817), (3281, 6015)]