17863884

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 47567520

約数和(自身を除く): 29703636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 241, 261, 284, 348, 426, 482, 522, 639, 723, 852, 964, 1044, 1278, 1446, 2059, 2169, 2556, 2892, 4118, 4338, 6177, 6989, 8236, 8676, 12354, 13978, 17111, 18531, 20967, 24708, 27956, 34222, 37062, 41934, 51333, 62901, 68444, 74124, 83868, 102666, 125802, 153999, 205332, 251604, 307998, 496219, 615996, 992438, 1488657, 1984876, 2977314, 4465971, 5954628, 8931942, 17863884]

約数ペア:

[(1, 17863884), (2, 8931942), (3, 5954628), (4, 4465971), (6, 2977314), (9, 1984876), (12, 1488657), (18, 992438), (29, 615996), (36, 496219), (58, 307998), (71, 251604), (87, 205332), (116, 153999), (142, 125802), (174, 102666), (213, 83868), (241, 74124), (261, 68444), (284, 62901), (348, 51333), (426, 41934), (482, 37062), (522, 34222), (639, 27956), (723, 24708), (852, 20967), (964, 18531), (1044, 17111), (1278, 13978), (1446, 12354), (2059, 8676), (2169, 8236), (2556, 6989), (2892, 6177), (4118, 4338)]