18534868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1889}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 17027372

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 1889, 2453, 3778, 4906, 7556, 9812, 20779, 41558, 83116, 421247, 842494, 1684988, 4633717, 9267434, 18534868]

約数ペア:

[(1, 18534868), (2, 9267434), (4, 4633717), (11, 1684988), (22, 842494), (44, 421247), (223, 83116), (446, 41558), (892, 20779), (1889, 9812), (2453, 7556), (3778, 4906)]