16941920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5573}}^1$

素因数の和:5607

約数の個数: 48

約数和(自身を含む): 42139440

約数和(自身を除く): 25197520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5573, 11146, 22292, 27865, 44584, 55730, 89168, 105887, 111460, 178336, 211774, 222920, 423548, 445840, 529435, 847096, 891680, 1058870, 1694192, 2117740, 3388384, 4235480, 8470960, 16941920]

約数ペア:

[(1, 16941920), (2, 8470960), (4, 4235480), (5, 3388384), (8, 2117740), (10, 1694192), (16, 1058870), (19, 891680), (20, 847096), (32, 529435), (38, 445840), (40, 423548), (76, 222920), (80, 211774), (95, 178336), (152, 111460), (160, 105887), (190, 89168), (304, 55730), (380, 44584), (608, 27865), (760, 22292), (1520, 11146), (3040, 5573)]