18507654

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 44051904

約数和(自身を除く): 25544250

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 211, 422, 443, 633, 886, 1266, 1329, 1899, 2321, 2658, 3798, 3987, 4642, 4873, 6963, 7974, 9746, 13926, 14619, 20889, 29238, 41778, 43857, 87714, 93473, 186946, 280419, 560838, 841257, 1028203, 1682514, 2056406, 3084609, 6169218, 9253827, 18507654]

約数ペア:

[(1, 18507654), (2, 9253827), (3, 6169218), (6, 3084609), (9, 2056406), (11, 1682514), (18, 1028203), (22, 841257), (33, 560838), (66, 280419), (99, 186946), (198, 93473), (211, 87714), (422, 43857), (443, 41778), (633, 29238), (886, 20889), (1266, 14619), (1329, 13926), (1899, 9746), (2321, 7974), (2658, 6963), (3798, 4873), (3987, 4642)]