19931805

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{773}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 15734115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 773, 955, 1719, 2319, 2865, 3865, 5157, 6957, 8595, 11595, 20871, 25785, 34785, 104355, 147643, 442929, 738215, 1328787, 2214645, 3986361, 6643935, 19931805]

約数ペア:

[(1, 19931805), (3, 6643935), (5, 3986361), (9, 2214645), (15, 1328787), (27, 738215), (45, 442929), (135, 147643), (191, 104355), (573, 34785), (773, 25785), (955, 20871), (1719, 11595), (2319, 8595), (2865, 6957), (3865, 5157)]