19028889

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 32033664

約数和(自身を除く): 13004775

約数列:

[1, 3, 9, 11, 23, 33, 61, 69, 99, 137, 183, 207, 253, 411, 549, 671, 759, 1233, 1403, 1507, 2013, 2277, 3151, 4209, 4521, 6039, 8357, 9453, 12627, 13563, 15433, 25071, 28359, 34661, 46299, 75213, 91927, 103983, 138897, 192211, 275781, 311949, 576633, 827343, 1729899, 2114321, 6342963, 19028889]

約数ペア:

[(1, 19028889), (3, 6342963), (9, 2114321), (11, 1729899), (23, 827343), (33, 576633), (61, 311949), (69, 275781), (99, 192211), (137, 138897), (183, 103983), (207, 91927), (253, 75213), (411, 46299), (549, 34661), (671, 28359), (759, 25071), (1233, 15433), (1403, 13563), (1507, 12627), (2013, 9453), (2277, 8357), (3151, 6039), (4209, 4521)]