18159813

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6133}}^1$

素因数の和:6193

約数の個数: 24

約数和(自身を含む): 30620928

約数和(自身を除く): 12461115

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6133, 18399, 42931, 55197, 128793, 288251, 386379, 864753, 2017757, 2594259, 6053271, 18159813]

約数ペア:

[(1, 18159813), (3, 6053271), (7, 2594259), (9, 2017757), (21, 864753), (47, 386379), (63, 288251), (141, 128793), (329, 55197), (423, 42931), (987, 18399), (2961, 6133)]