17786820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12889}}^1$

素因数の和:12924

約数の個数: 48

約数和(自身を含む): 51972480

約数和(自身を除く): 34185660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 12889, 25778, 38667, 51556, 64445, 77334, 128890, 154668, 193335, 257780, 296447, 386670, 592894, 773340, 889341, 1185788, 1482235, 1778682, 2964470, 3557364, 4446705, 5928940, 8893410, 17786820]

約数ペア:

[(1, 17786820), (2, 8893410), (3, 5928940), (4, 4446705), (5, 3557364), (6, 2964470), (10, 1778682), (12, 1482235), (15, 1185788), (20, 889341), (23, 773340), (30, 592894), (46, 386670), (60, 296447), (69, 257780), (92, 193335), (115, 154668), (138, 128890), (230, 77334), (276, 64445), (345, 51556), (460, 38667), (690, 25778), (1380, 12889)]