18733880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42577}}^1$

素因数の和:42599

約数の個数: 32

約数和(自身を含む): 45984240

約数和(自身を除く): 27250360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42577, 85154, 170308, 212885, 340616, 425770, 468347, 851540, 936694, 1703080, 1873388, 2341735, 3746776, 4683470, 9366940, 18733880]

約数ペア:

[(1, 18733880), (2, 9366940), (4, 4683470), (5, 3746776), (8, 2341735), (10, 1873388), (11, 1703080), (20, 936694), (22, 851540), (40, 468347), (44, 425770), (55, 340616), (88, 212885), (110, 170308), (220, 85154), (440, 42577)]