18687316

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{887}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 34312320

約数和(自身を除く): 15625004

約数列:

[1, 2, 4, 23, 46, 92, 229, 458, 887, 916, 1774, 3548, 5267, 10534, 20401, 21068, 40802, 81604, 203123, 406246, 812492, 4671829, 9343658, 18687316]

約数ペア:

[(1, 18687316), (2, 9343658), (4, 4671829), (23, 812492), (46, 406246), (92, 203123), (229, 81604), (458, 40802), (887, 21068), (916, 20401), (1774, 10534), (3548, 5267)]