18878805

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12713}}^1$

素因数の和:12738

約数の個数: 32

約数和(自身を含む): 36616320

約数和(自身を除く): 17737515

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 12713, 38139, 63565, 114417, 139843, 190695, 343251, 419529, 572085, 699215, 1258587, 1716255, 2097645, 3775761, 6292935, 18878805]

約数ペア:

[(1, 18878805), (3, 6292935), (5, 3775761), (9, 2097645), (11, 1716255), (15, 1258587), (27, 699215), (33, 572085), (45, 419529), (55, 343251), (99, 190695), (135, 139843), (165, 114417), (297, 63565), (495, 38139), (1485, 12713)]