1221776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4019}}^1$

素因数の和:4046

約数の個数: 20

約数和(自身を含む): 2492400

約数和(自身を除く): 1270624

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4019, 8038, 16076, 32152, 64304, 76361, 152722, 305444, 610888, 1221776]

約数ペア:

[(1, 1221776), (2, 610888), (4, 305444), (8, 152722), (16, 76361), (19, 64304), (38, 32152), (76, 16076), (152, 8038), (304, 4019)]