18840804982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{270709}}^1$

素因数の和:270840

約数の個数: 32

約数和(自身を含む): 31575614400

約数和(自身を除く): 12734809418

約数列:

[1, 2, 17, 23, 34, 46, 89, 178, 391, 782, 1513, 2047, 3026, 4094, 34799, 69598, 270709, 541418, 4602053, 6226307, 9204106, 12452614, 24093101, 48186202, 105847219, 211694438, 409582717, 554141323, 819165434, 1108282646, 9420402491, 18840804982]

約数ペア:

[(1, 18840804982), (2, 9420402491), (17, 1108282646), (23, 819165434), (34, 554141323), (46, 409582717), (89, 211694438), (178, 105847219), (391, 48186202), (782, 24093101), (1513, 12452614), (2047, 9204106), (3026, 6226307), (4094, 4602053), (34799, 541418), (69598, 270709)]