19838286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4987}}^1$

素因数の和:5025

約数の個数: 48

約数和(自身を含む): 49022064

約数和(自身を除く): 29183778

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4987, 9974, 14961, 29922, 44883, 64831, 84779, 89766, 129662, 169558, 194493, 254337, 388986, 508674, 583479, 763011, 1102127, 1166958, 1526022, 2204254, 3306381, 6612762, 9919143, 19838286]

約数ペア:

[(1, 19838286), (2, 9919143), (3, 6612762), (6, 3306381), (9, 2204254), (13, 1526022), (17, 1166958), (18, 1102127), (26, 763011), (34, 583479), (39, 508674), (51, 388986), (78, 254337), (102, 194493), (117, 169558), (153, 129662), (221, 89766), (234, 84779), (306, 64831), (442, 44883), (663, 29922), (1326, 14961), (1989, 9974), (3978, 4987)]