18660136

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 39572820

約数和(自身を除く): 20912684

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 521, 814, 968, 1042, 1628, 2084, 3256, 4168, 4477, 5731, 8954, 11462, 17908, 19277, 22924, 35816, 38554, 45848, 63041, 77108, 126082, 154216, 212047, 252164, 424094, 504328, 848188, 1696376, 2332517, 4665034, 9330068, 18660136]

約数ペア:

[(1, 18660136), (2, 9330068), (4, 4665034), (8, 2332517), (11, 1696376), (22, 848188), (37, 504328), (44, 424094), (74, 252164), (88, 212047), (121, 154216), (148, 126082), (242, 77108), (296, 63041), (407, 45848), (484, 38554), (521, 35816), (814, 22924), (968, 19277), (1042, 17908), (1628, 11462), (2084, 8954), (3256, 5731), (4168, 4477)]