19139855

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 27561600

約数和(自身を除く): 8421745

約数列:

[1, 5, 7, 29, 35, 109, 145, 173, 203, 545, 763, 865, 1015, 1211, 3161, 3815, 5017, 6055, 15805, 18857, 22127, 25085, 35119, 94285, 110635, 131999, 175595, 546853, 659995, 2734265, 3827971, 19139855]

約数ペア:

[(1, 19139855), (5, 3827971), (7, 2734265), (29, 659995), (35, 546853), (109, 175595), (145, 131999), (173, 110635), (203, 94285), (545, 35119), (763, 25085), (865, 22127), (1015, 18857), (1211, 15805), (3161, 6055), (3815, 5017)]