81220668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{18749}}^1$

素因数の和:18794

約数の個数: 36

約数和(自身を含む): 200025000

約数和(自身を除く): 118804332

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 18749, 37498, 56247, 74996, 112494, 224988, 356231, 712462, 1068693, 1424924, 2137386, 4274772, 6768389, 13536778, 20305167, 27073556, 40610334, 81220668]

約数ペア:

[(1, 81220668), (2, 40610334), (3, 27073556), (4, 20305167), (6, 13536778), (12, 6768389), (19, 4274772), (38, 2137386), (57, 1424924), (76, 1068693), (114, 712462), (228, 356231), (361, 224988), (722, 112494), (1083, 74996), (1444, 56247), (2166, 37498), (4332, 18749)]