18273668

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 21038332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 701, 931, 1372, 1402, 1862, 2804, 3724, 4907, 6517, 9814, 13034, 13319, 19628, 26068, 26638, 34349, 53276, 68698, 93233, 137396, 186466, 240443, 372932, 480886, 652631, 961772, 1305262, 2610524, 4568417, 9136834, 18273668]

約数ペア:

[(1, 18273668), (2, 9136834), (4, 4568417), (7, 2610524), (14, 1305262), (19, 961772), (28, 652631), (38, 480886), (49, 372932), (76, 240443), (98, 186466), (133, 137396), (196, 93233), (266, 68698), (343, 53276), (532, 34349), (686, 26638), (701, 26068), (931, 19628), (1372, 13319), (1402, 13034), (1862, 9814), (2804, 6517), (3724, 4907)]