19828665

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15652935

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 769, 955, 1719, 2307, 2865, 3845, 5157, 6921, 8595, 11535, 20763, 25785, 34605, 103815, 146879, 440637, 734395, 1321911, 2203185, 3965733, 6609555, 19828665]

約数ペア:

[(1, 19828665), (3, 6609555), (5, 3965733), (9, 2203185), (15, 1321911), (27, 734395), (45, 440637), (135, 146879), (191, 103815), (573, 34605), (769, 25785), (955, 20763), (1719, 11535), (2307, 8595), (2865, 6921), (3845, 5157)]