19170255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2657}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 33937344

約数和(自身を除く): 14767089

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2657, 7215, 7971, 13285, 34541, 39855, 98309, 103623, 172705, 294927, 491545, 518115, 1278017, 1474635, 3834051, 6390085, 19170255]

約数ペア:

[(1, 19170255), (3, 6390085), (5, 3834051), (13, 1474635), (15, 1278017), (37, 518115), (39, 491545), (65, 294927), (111, 172705), (185, 103623), (195, 98309), (481, 39855), (555, 34541), (1443, 13285), (2405, 7971), (2657, 7215)]