17991842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 32602176

約数和(自身を除く): 14610334

約数列:

[1, 2, 11, 22, 23, 31, 37, 46, 62, 74, 253, 341, 407, 506, 682, 713, 814, 851, 961, 1147, 1426, 1702, 1922, 2294, 7843, 9361, 10571, 12617, 15686, 18722, 21142, 22103, 25234, 26381, 35557, 44206, 52762, 71114, 243133, 290191, 391127, 486266, 580382, 782254, 817811, 1635622, 8995921, 17991842]

約数ペア:

[(1, 17991842), (2, 8995921), (11, 1635622), (22, 817811), (23, 782254), (31, 580382), (37, 486266), (46, 391127), (62, 290191), (74, 243133), (253, 71114), (341, 52762), (407, 44206), (506, 35557), (682, 26381), (713, 25234), (814, 22103), (851, 21142), (961, 18722), (1147, 15686), (1426, 12617), (1702, 10571), (1922, 9361), (2294, 7843)]