19152189

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 32518044

約数和(自身を除く): 13365855

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 317, 411, 441, 951, 959, 1233, 2219, 2853, 2877, 6657, 6713, 8631, 15533, 19971, 20139, 43429, 46599, 60417, 130287, 139797, 304003, 390861, 912009, 2128021, 2736027, 6384063, 19152189]

約数ペア:

[(1, 19152189), (3, 6384063), (7, 2736027), (9, 2128021), (21, 912009), (49, 390861), (63, 304003), (137, 139797), (147, 130287), (317, 60417), (411, 46599), (441, 43429), (951, 20139), (959, 19971), (1233, 15533), (2219, 8631), (2853, 6713), (2877, 6657)]