19557045

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 35905056

約数和(自身を除く): 16348011

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1123, 1161, 1935, 3369, 3483, 5615, 5805, 10107, 16845, 17415, 30321, 48289, 50535, 90963, 144867, 151605, 241445, 434601, 454815, 724335, 1303803, 2173005, 3911409, 6519015, 19557045]

約数ペア:

[(1, 19557045), (3, 6519015), (5, 3911409), (9, 2173005), (15, 1303803), (27, 724335), (43, 454815), (45, 434601), (81, 241445), (129, 151605), (135, 144867), (215, 90963), (387, 50535), (405, 48289), (645, 30321), (1123, 17415), (1161, 16845), (1935, 10107), (3369, 5805), (3483, 5615)]