18860574219

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{23173}}^1$

素因数の和:23435

約数の個数: 32

約数和(自身を含む): 26918918400

約数和(自身を除く): 8058344181

約数列:

[1, 3, 19, 57, 109, 131, 327, 393, 2071, 2489, 6213, 7467, 14279, 23173, 42837, 69519, 271301, 440287, 813903, 1320861, 2525857, 3035663, 7577571, 9106989, 47991283, 57677597, 143973849, 173032791, 330887267, 992661801, 6286858073, 18860574219]

約数ペア:

[(1, 18860574219), (3, 6286858073), (19, 992661801), (57, 330887267), (109, 173032791), (131, 143973849), (327, 57677597), (393, 47991283), (2071, 9106989), (2489, 7577571), (6213, 3035663), (7467, 2525857), (14279, 1320861), (23173, 813903), (42837, 440287), (69519, 271301)]