1998370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 4038336

約数和(自身を除く): 2039966

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 491, 814, 982, 2035, 2455, 4070, 4910, 5401, 10802, 18167, 27005, 36334, 54010, 90835, 181670, 199837, 399674, 999185, 1998370]

約数ペア:

[(1, 1998370), (2, 999185), (5, 399674), (10, 199837), (11, 181670), (22, 90835), (37, 54010), (55, 36334), (74, 27005), (110, 18167), (185, 10802), (370, 5401), (407, 4910), (491, 4070), (814, 2455), (982, 2035)]