17996810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 36681984

約数和(自身を除く): 18685174

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 463, 598, 845, 926, 1495, 1690, 2315, 2990, 3887, 4630, 6019, 7774, 10649, 12038, 19435, 21298, 30095, 38870, 53245, 60190, 78247, 106490, 138437, 156494, 276874, 391235, 692185, 782470, 1384370, 1799681, 3599362, 8998405, 17996810]

約数ペア:

[(1, 17996810), (2, 8998405), (5, 3599362), (10, 1799681), (13, 1384370), (23, 782470), (26, 692185), (46, 391235), (65, 276874), (115, 156494), (130, 138437), (169, 106490), (230, 78247), (299, 60190), (338, 53245), (463, 38870), (598, 30095), (845, 21298), (926, 19435), (1495, 12038), (1690, 10649), (2315, 7774), (2990, 6019), (3887, 4630)]