18656752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 38676096

約数和(自身を除く): 20019344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 607, 904, 1214, 1808, 1921, 2428, 3842, 4856, 7684, 9712, 10319, 15368, 20638, 30736, 41276, 68591, 82552, 137182, 165104, 274364, 548728, 1097456, 1166047, 2332094, 4664188, 9328376, 18656752]

約数ペア:

[(1, 18656752), (2, 9328376), (4, 4664188), (8, 2332094), (16, 1166047), (17, 1097456), (34, 548728), (68, 274364), (113, 165104), (136, 137182), (226, 82552), (272, 68591), (452, 41276), (607, 30736), (904, 20638), (1214, 15368), (1808, 10319), (1921, 9712), (2428, 7684), (3842, 4856)]