18705148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5521}}^1$

素因数の和:5554

約数の個数: 36

約数和(自身を含む): 41127856

約数和(自身を除く): 22422708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5521, 11042, 22084, 38647, 60731, 77294, 121462, 154588, 242924, 425117, 668041, 850234, 1336082, 1700468, 2672164, 4676287, 9352574, 18705148]

約数ペア:

[(1, 18705148), (2, 9352574), (4, 4676287), (7, 2672164), (11, 1700468), (14, 1336082), (22, 850234), (28, 668041), (44, 425117), (77, 242924), (121, 154588), (154, 121462), (242, 77294), (308, 60731), (484, 38647), (847, 22084), (1694, 11042), (3388, 5521)]