19644680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44647}}^1$

素因数の和:44669

約数の個数: 32

約数和(自身を含む): 48219840

約数和(自身を除く): 28575160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44647, 89294, 178588, 223235, 357176, 446470, 491117, 892940, 982234, 1785880, 1964468, 2455585, 3928936, 4911170, 9822340, 19644680]

約数ペア:

[(1, 19644680), (2, 9822340), (4, 4911170), (5, 3928936), (8, 2455585), (10, 1964468), (11, 1785880), (20, 982234), (22, 892940), (40, 491117), (44, 446470), (55, 357176), (88, 223235), (110, 178588), (220, 89294), (440, 44647)]