19942461

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4111}}^1$

素因数の和:4142

約数の個数: 36

約数和(自身を含む): 36563904

約数和(自身を除く): 16621443

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4111, 4851, 12333, 28777, 36999, 45221, 86331, 135663, 201439, 258993, 316547, 406989, 604317, 949641, 1812951, 2215829, 2848923, 6647487, 19942461]

約数ペア:

[(1, 19942461), (3, 6647487), (7, 2848923), (9, 2215829), (11, 1812951), (21, 949641), (33, 604317), (49, 406989), (63, 316547), (77, 258993), (99, 201439), (147, 135663), (231, 86331), (441, 45221), (539, 36999), (693, 28777), (1617, 12333), (4111, 4851)]