19269560

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1549}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 43524000

約数和(自身を除く): 24254440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1549, 1555, 2488, 3098, 3110, 6196, 6220, 7745, 12392, 12440, 15490, 30980, 61960, 481739, 963478, 1926956, 2408695, 3853912, 4817390, 9634780, 19269560]

約数ペア:

[(1, 19269560), (2, 9634780), (4, 4817390), (5, 3853912), (8, 2408695), (10, 1926956), (20, 963478), (40, 481739), (311, 61960), (622, 30980), (1244, 15490), (1549, 12440), (1555, 12392), (2488, 7745), (3098, 6220), (3110, 6196)]