16683140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 37773120

約数和(自身を除く): 21089980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1021, 1634, 2042, 3268, 4084, 4085, 5105, 8170, 10210, 16340, 19399, 20420, 38798, 43903, 77596, 87806, 96995, 175612, 193990, 219515, 387980, 439030, 834157, 878060, 1668314, 3336628, 4170785, 8341570, 16683140]

約数ペア:

[(1, 16683140), (2, 8341570), (4, 4170785), (5, 3336628), (10, 1668314), (19, 878060), (20, 834157), (38, 439030), (43, 387980), (76, 219515), (86, 193990), (95, 175612), (172, 96995), (190, 87806), (215, 77596), (380, 43903), (430, 38798), (817, 20420), (860, 19399), (1021, 16340), (1634, 10210), (2042, 8170), (3268, 5105), (4084, 4085)]