19510980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{751}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 54829824

約数和(自身を除く): 35318844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 433, 751, 866, 1299, 1502, 1732, 2165, 2253, 2598, 3004, 3755, 4330, 4506, 5196, 6495, 7510, 8660, 9012, 11265, 12990, 15020, 22530, 25980, 45060, 325183, 650366, 975549, 1300732, 1625915, 1951098, 3251830, 3902196, 4877745, 6503660, 9755490, 19510980]

約数ペア:

[(1, 19510980), (2, 9755490), (3, 6503660), (4, 4877745), (5, 3902196), (6, 3251830), (10, 1951098), (12, 1625915), (15, 1300732), (20, 975549), (30, 650366), (60, 325183), (433, 45060), (751, 25980), (866, 22530), (1299, 15020), (1502, 12990), (1732, 11265), (2165, 9012), (2253, 8660), (2598, 7510), (3004, 6495), (3755, 5196), (4330, 4506)]