19958022

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 32135418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1427, 1554, 1998, 2331, 2854, 4281, 4662, 6993, 8562, 9989, 12843, 13986, 19978, 25686, 29967, 38529, 52799, 59934, 77058, 89901, 105598, 158397, 179802, 269703, 316794, 369593, 475191, 539406, 739186, 950382, 1108779, 1425573, 2217558, 2851146, 3326337, 6652674, 9979011, 19958022]

約数ペア:

[(1, 19958022), (2, 9979011), (3, 6652674), (6, 3326337), (7, 2851146), (9, 2217558), (14, 1425573), (18, 1108779), (21, 950382), (27, 739186), (37, 539406), (42, 475191), (54, 369593), (63, 316794), (74, 269703), (111, 179802), (126, 158397), (189, 105598), (222, 89901), (259, 77058), (333, 59934), (378, 52799), (518, 38529), (666, 29967), (777, 25686), (999, 19978), (1427, 13986), (1554, 12843), (1998, 9989), (2331, 8562), (2854, 6993), (4281, 4662)]