19848213

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9547}}^1$

素因数の和:9574

約数の個数: 32

約数和(自身を含む): 36664320

約数和(自身を除く): 16816107

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9547, 28641, 66829, 85923, 105017, 200487, 257769, 315051, 601461, 735119, 945153, 1804383, 2205357, 2835459, 6616071, 19848213]

約数ペア:

[(1, 19848213), (3, 6616071), (7, 2835459), (9, 2205357), (11, 1804383), (21, 945153), (27, 735119), (33, 601461), (63, 315051), (77, 257769), (99, 200487), (189, 105017), (231, 85923), (297, 66829), (693, 28641), (2079, 9547)]