2788364

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1931}}^1$

素因数の和:1973

約数の個数: 18

約数和(自身を含む): 5152644

約数和(自身を除く): 2364280

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1931, 3862, 7724, 36689, 73378, 146756, 697091, 1394182, 2788364]

約数ペア:

[(1, 2788364), (2, 1394182), (4, 697091), (19, 146756), (38, 73378), (76, 36689), (361, 7724), (722, 3862), (1444, 1931)]