19448495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8130385

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 503, 703, 1045, 2035, 2515, 3515, 5533, 7733, 9557, 18611, 27665, 38665, 47785, 93055, 105127, 204721, 353609, 525635, 1023605, 1768045, 3889699, 19448495]

約数ペア:

[(1, 19448495), (5, 3889699), (11, 1768045), (19, 1023605), (37, 525635), (55, 353609), (95, 204721), (185, 105127), (209, 93055), (407, 47785), (503, 38665), (703, 27665), (1045, 18611), (2035, 9557), (2515, 7733), (3515, 5533)]