2018045421

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{23887}}^1$

素因数の和:24055

約数の個数: 40

約数和(自身を含む): 3468537600

約数和(自身を除く): 1450492179

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 447, 567, 1043, 1341, 3129, 4023, 9387, 12069, 23887, 28161, 71661, 84483, 167209, 214983, 501627, 644949, 1504881, 1934847, 3559163, 4514643, 10677489, 13543929, 24914141, 32032467, 74742423, 96097401, 224227269, 288292203, 672681807, 2018045421]

約数ペア:

[(1, 2018045421), (3, 672681807), (7, 288292203), (9, 224227269), (21, 96097401), (27, 74742423), (63, 32032467), (81, 24914141), (149, 13543929), (189, 10677489), (447, 4514643), (567, 3559163), (1043, 1934847), (1341, 1504881), (3129, 644949), (4023, 501627), (9387, 214983), (12069, 167209), (23887, 84483), (28161, 71661)]