19979304

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 31731096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 113, 139, 159, 212, 226, 278, 318, 339, 417, 424, 452, 556, 636, 678, 834, 904, 1112, 1272, 1356, 1668, 2712, 3336, 5989, 7367, 11978, 14734, 15707, 17967, 22101, 23956, 29468, 31414, 35934, 44202, 47121, 47912, 58936, 62828, 71868, 88404, 94242, 125656, 143736, 176808, 188484, 376968, 832471, 1664942, 2497413, 3329884, 4994826, 6659768, 9989652, 19979304]

約数ペア:

[(1, 19979304), (2, 9989652), (3, 6659768), (4, 4994826), (6, 3329884), (8, 2497413), (12, 1664942), (24, 832471), (53, 376968), (106, 188484), (113, 176808), (139, 143736), (159, 125656), (212, 94242), (226, 88404), (278, 71868), (318, 62828), (339, 58936), (417, 47912), (424, 47121), (452, 44202), (556, 35934), (636, 31414), (678, 29468), (834, 23956), (904, 22101), (1112, 17967), (1272, 15707), (1356, 14734), (1668, 11978), (2712, 7367), (3336, 5989)]