18738786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 23319006

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 121, 159, 242, 318, 363, 487, 583, 726, 974, 1166, 1461, 1749, 2922, 3498, 5357, 6413, 10714, 12826, 16071, 19239, 25811, 32142, 38478, 51622, 58927, 77433, 117854, 154866, 176781, 283921, 353562, 567842, 851763, 1703526, 3123131, 6246262, 9369393, 18738786]

約数ペア:

[(1, 18738786), (2, 9369393), (3, 6246262), (6, 3123131), (11, 1703526), (22, 851763), (33, 567842), (53, 353562), (66, 283921), (106, 176781), (121, 154866), (159, 117854), (242, 77433), (318, 58927), (363, 51622), (487, 38478), (583, 32142), (726, 25811), (974, 19239), (1166, 16071), (1461, 12826), (1749, 10714), (2922, 6413), (3498, 5357)]