19651401

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4051}}^1$

素因数の和:4082

約数の個数: 36

約数和(自身を含む): 36030384

約数和(自身を除く): 16378983

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4051, 4851, 12153, 28357, 36459, 44561, 85071, 133683, 198499, 255213, 311927, 401049, 595497, 935781, 1786491, 2183489, 2807343, 6550467, 19651401]

約数ペア:

[(1, 19651401), (3, 6550467), (7, 2807343), (9, 2183489), (11, 1786491), (21, 935781), (33, 595497), (49, 401049), (63, 311927), (77, 255213), (99, 198499), (147, 133683), (231, 85071), (441, 44561), (539, 36459), (693, 28357), (1617, 12153), (4051, 4851)]