19265180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 44827776

約数和(自身を除く): 25562596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1307, 1340, 1474, 2614, 2948, 3685, 5228, 6535, 7370, 13070, 14377, 14740, 26140, 28754, 57508, 71885, 87569, 143770, 175138, 287540, 350276, 437845, 875690, 963259, 1751380, 1926518, 3853036, 4816295, 9632590, 19265180]

約数ペア:

[(1, 19265180), (2, 9632590), (4, 4816295), (5, 3853036), (10, 1926518), (11, 1751380), (20, 963259), (22, 875690), (44, 437845), (55, 350276), (67, 287540), (110, 175138), (134, 143770), (220, 87569), (268, 71885), (335, 57508), (670, 28754), (737, 26140), (1307, 14740), (1340, 14377), (1474, 13070), (2614, 7370), (2948, 6535), (3685, 5228)]