18660135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 34310304

約数和(自身を除く): 15650169

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 433, 507, 663, 845, 1105, 1299, 2165, 2535, 2873, 3315, 5629, 6495, 7361, 8619, 14365, 16887, 22083, 28145, 36805, 43095, 73177, 84435, 95693, 110415, 219531, 287079, 365885, 478465, 1097655, 1244009, 1435395, 3732027, 6220045, 18660135]

約数ペア:

[(1, 18660135), (3, 6220045), (5, 3732027), (13, 1435395), (15, 1244009), (17, 1097655), (39, 478465), (51, 365885), (65, 287079), (85, 219531), (169, 110415), (195, 95693), (221, 84435), (255, 73177), (433, 43095), (507, 36805), (663, 28145), (845, 22083), (1105, 16887), (1299, 14365), (2165, 8619), (2535, 7361), (2873, 6495), (3315, 5629)]