19847718

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1699}}^1$

素因数の和:1777

約数の個数: 48

約数和(自身を含む): 47736000

約数和(自身を除く): 27888282

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 177, 198, 354, 531, 649, 1062, 1298, 1699, 1947, 3398, 3894, 5097, 5841, 10194, 11682, 15291, 18689, 30582, 37378, 56067, 100241, 112134, 168201, 200482, 300723, 336402, 601446, 902169, 1102651, 1804338, 2205302, 3307953, 6615906, 9923859, 19847718]

約数ペア:

[(1, 19847718), (2, 9923859), (3, 6615906), (6, 3307953), (9, 2205302), (11, 1804338), (18, 1102651), (22, 902169), (33, 601446), (59, 336402), (66, 300723), (99, 200482), (118, 168201), (177, 112134), (198, 100241), (354, 56067), (531, 37378), (649, 30582), (1062, 18689), (1298, 15291), (1699, 11682), (1947, 10194), (3398, 5841), (3894, 5097)]