18388399265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{593}}^1\times {\mathrm{743}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 23482711296

約数和(自身を除く): 5094312031

約数列:

[1, 5, 17, 85, 491, 593, 743, 2455, 2965, 3715, 8347, 10081, 12631, 41735, 50405, 63155, 291163, 364813, 440599, 1455815, 1824065, 2202995, 4949771, 6201821, 7490183, 24748855, 31009105, 37450915, 216334109, 1081670545, 3677679853, 18388399265]

約数ペア:

[(1, 18388399265), (5, 3677679853), (17, 1081670545), (85, 216334109), (491, 37450915), (593, 31009105), (743, 24748855), (2455, 7490183), (2965, 6201821), (3715, 4949771), (8347, 2202995), (10081, 1824065), (12631, 1455815), (41735, 440599), (50405, 364813), (63155, 291163)]