18003906

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 23779134

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 863, 1098, 1159, 1726, 2318, 2589, 3477, 5178, 6954, 7767, 10431, 15534, 16397, 20862, 32794, 49191, 52643, 98382, 105286, 147573, 157929, 295146, 315858, 473787, 947574, 1000217, 2000434, 3000651, 6001302, 9001953, 18003906]

約数ペア:

[(1, 18003906), (2, 9001953), (3, 6001302), (6, 3000651), (9, 2000434), (18, 1000217), (19, 947574), (38, 473787), (57, 315858), (61, 295146), (114, 157929), (122, 147573), (171, 105286), (183, 98382), (342, 52643), (366, 49191), (549, 32794), (863, 20862), (1098, 16397), (1159, 15534), (1726, 10431), (2318, 7767), (2589, 6954), (3477, 5178)]