18209163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 11650677

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 971, 987, 2679, 2913, 6251, 6797, 18449, 18753, 20391, 45637, 55347, 129143, 136911, 319459, 387429, 867103, 958377, 2601309, 6069721, 18209163]

約数ペア:

[(1, 18209163), (3, 6069721), (7, 2601309), (19, 958377), (21, 867103), (47, 387429), (57, 319459), (133, 136911), (141, 129143), (329, 55347), (399, 45637), (893, 20391), (971, 18753), (987, 18449), (2679, 6797), (2913, 6251)]