18477627844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{307121}}^1$

素因数の和:307240

約数の個数: 36

約数和(自身を含む): 35408095380

約数和(自身を除く): 16930467536

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 676, 1157, 2314, 4628, 15041, 30082, 60164, 307121, 614242, 1228484, 3992573, 7985146, 15970292, 27333769, 51903449, 54667538, 103806898, 109335076, 207613796, 355338997, 710677994, 1421355988, 4619406961, 9238813922, 18477627844]

約数ペア:

[(1, 18477627844), (2, 9238813922), (4, 4619406961), (13, 1421355988), (26, 710677994), (52, 355338997), (89, 207613796), (169, 109335076), (178, 103806898), (338, 54667538), (356, 51903449), (676, 27333769), (1157, 15970292), (2314, 7985146), (4628, 3992573), (15041, 1228484), (30082, 614242), (60164, 307121)]