19762218

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 52450944

約数和(自身を除く): 32688726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 157, 162, 189, 222, 243, 259, 314, 333, 378, 471, 486, 518, 567, 666, 777, 942, 999, 1099, 1134, 1413, 1554, 1701, 1998, 2198, 2331, 2826, 2997, 3297, 3402, 4239, 4662, 5809, 5994, 6594, 6993, 8478, 8991, 9891, 11618, 12717, 13986, 17427, 17982, 19782, 20979, 25434, 29673, 34854, 38151, 40663, 41958, 52281, 59346, 62937, 76302, 81326, 89019, 104562, 121989, 125874, 156843, 178038, 243978, 267057, 313686, 365967, 470529, 534114, 731934, 941058, 1097901, 1411587, 2195802, 2823174, 3293703, 6587406, 9881109, 19762218]

約数ペア:

[(1, 19762218), (2, 9881109), (3, 6587406), (6, 3293703), (7, 2823174), (9, 2195802), (14, 1411587), (18, 1097901), (21, 941058), (27, 731934), (37, 534114), (42, 470529), (54, 365967), (63, 313686), (74, 267057), (81, 243978), (111, 178038), (126, 156843), (157, 125874), (162, 121989), (189, 104562), (222, 89019), (243, 81326), (259, 76302), (314, 62937), (333, 59346), (378, 52281), (471, 41958), (486, 40663), (518, 38151), (567, 34854), (666, 29673), (777, 25434), (942, 20979), (999, 19782), (1099, 17982), (1134, 17427), (1413, 13986), (1554, 12717), (1701, 11618), (1998, 9891), (2198, 8991), (2331, 8478), (2826, 6993), (2997, 6594), (3297, 5994), (3402, 5809), (4239, 4662)]