18528198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 43001280

約数和(自身を除く): 24473082

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 89, 102, 157, 178, 221, 267, 314, 442, 471, 534, 663, 942, 1157, 1326, 1513, 2041, 2314, 2669, 3026, 3471, 4082, 4539, 5338, 6123, 6942, 8007, 9078, 12246, 13973, 16014, 19669, 27946, 34697, 39338, 41919, 59007, 69394, 83838, 104091, 118014, 181649, 208182, 237541, 363298, 475082, 544947, 712623, 1089894, 1425246, 3088033, 6176066, 9264099, 18528198]

約数ペア:

[(1, 18528198), (2, 9264099), (3, 6176066), (6, 3088033), (13, 1425246), (17, 1089894), (26, 712623), (34, 544947), (39, 475082), (51, 363298), (78, 237541), (89, 208182), (102, 181649), (157, 118014), (178, 104091), (221, 83838), (267, 69394), (314, 59007), (442, 41919), (471, 39338), (534, 34697), (663, 27946), (942, 19669), (1157, 16014), (1326, 13973), (1513, 12246), (2041, 9078), (2314, 8007), (2669, 6942), (3026, 6123), (3471, 5338), (4082, 4539)]