18468340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 42706944

約数和(自身を除く): 24238604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 661, 1270, 1322, 1397, 2540, 2644, 2794, 3305, 5588, 6610, 6985, 7271, 13220, 13970, 14542, 27940, 29084, 36355, 72710, 83947, 145420, 167894, 335788, 419735, 839470, 923417, 1678940, 1846834, 3693668, 4617085, 9234170, 18468340]

約数ペア:

[(1, 18468340), (2, 9234170), (4, 4617085), (5, 3693668), (10, 1846834), (11, 1678940), (20, 923417), (22, 839470), (44, 419735), (55, 335788), (110, 167894), (127, 145420), (220, 83947), (254, 72710), (508, 36355), (635, 29084), (661, 27940), (1270, 14542), (1322, 13970), (1397, 13220), (2540, 7271), (2644, 6985), (2794, 6610), (3305, 5588)]