18782778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2203}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 45226080

約数和(自身を除く): 26443302

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 2203, 2842, 4263, 4406, 6609, 8526, 13218, 15421, 30842, 46263, 63887, 92526, 107947, 127774, 191661, 215894, 323841, 383322, 447209, 647682, 894418, 1341627, 2683254, 3130463, 6260926, 9391389, 18782778]

約数ペア:

[(1, 18782778), (2, 9391389), (3, 6260926), (6, 3130463), (7, 2683254), (14, 1341627), (21, 894418), (29, 647682), (42, 447209), (49, 383322), (58, 323841), (87, 215894), (98, 191661), (147, 127774), (174, 107947), (203, 92526), (294, 63887), (406, 46263), (609, 30842), (1218, 15421), (1421, 13218), (2203, 8526), (2842, 6609), (4263, 4406)]