18724004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19378396

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 359, 442, 718, 767, 884, 1003, 1436, 1534, 2006, 3068, 4012, 4667, 6103, 9334, 12206, 13039, 18668, 21181, 24412, 26078, 42362, 52156, 79339, 84724, 158678, 275353, 317356, 360077, 550706, 720154, 1101412, 1440308, 4681001, 9362002, 18724004]

約数ペア:

[(1, 18724004), (2, 9362002), (4, 4681001), (13, 1440308), (17, 1101412), (26, 720154), (34, 550706), (52, 360077), (59, 317356), (68, 275353), (118, 158678), (221, 84724), (236, 79339), (359, 52156), (442, 42362), (718, 26078), (767, 24412), (884, 21181), (1003, 18668), (1436, 13039), (1534, 12206), (2006, 9334), (3068, 6103), (4012, 4667)]