17619820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1787}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 40551840

約数和(自身を除く): 22932020

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1787, 1972, 2465, 3574, 4930, 7148, 8935, 9860, 17870, 30379, 35740, 51823, 60758, 103646, 121516, 151895, 207292, 259115, 303790, 518230, 607580, 880991, 1036460, 1761982, 3523964, 4404955, 8809910, 17619820]

約数ペア:

[(1, 17619820), (2, 8809910), (4, 4404955), (5, 3523964), (10, 1761982), (17, 1036460), (20, 880991), (29, 607580), (34, 518230), (58, 303790), (68, 259115), (85, 207292), (116, 151895), (145, 121516), (170, 103646), (290, 60758), (340, 51823), (493, 35740), (580, 30379), (986, 17870), (1787, 9860), (1972, 8935), (2465, 7148), (3574, 4930)]