18229155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 33600000

約数和(自身を除く): 15370845

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1249, 2085, 2919, 3747, 4865, 6245, 8743, 14595, 18735, 26229, 43715, 131145, 173611, 520833, 868055, 1215277, 2604165, 3645831, 6076385, 18229155]

約数ペア:

[(1, 18229155), (3, 6076385), (5, 3645831), (7, 2604165), (15, 1215277), (21, 868055), (35, 520833), (105, 173611), (139, 131145), (417, 43715), (695, 26229), (973, 18735), (1249, 14595), (2085, 8743), (2919, 6245), (3747, 4865)]