18739028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5531}}^1$

素因数の和:5564

約数の個数: 36

約数和(自身を含む): 41202336

約数和(自身を除く): 22463308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5531, 11062, 22124, 38717, 60841, 77434, 121682, 154868, 243364, 425887, 669251, 851774, 1338502, 1703548, 2677004, 4684757, 9369514, 18739028]

約数ペア:

[(1, 18739028), (2, 9369514), (4, 4684757), (7, 2677004), (11, 1703548), (14, 1338502), (22, 851774), (28, 669251), (44, 425887), (77, 243364), (121, 154868), (154, 121682), (242, 77434), (308, 60841), (484, 38717), (847, 22124), (1694, 11062), (3388, 5531)]