19875888

素因数分解:

$2^4\times 3^3\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 80

約数和(自身を含む): 57635200

約数和(自身を除く): 37759312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 139, 144, 216, 278, 331, 417, 432, 556, 662, 834, 993, 1112, 1251, 1324, 1668, 1986, 2224, 2502, 2648, 2979, 3336, 3753, 3972, 5004, 5296, 5958, 6672, 7506, 7944, 8937, 10008, 11916, 15012, 15888, 17874, 20016, 23832, 30024, 35748, 46009, 47664, 60048, 71496, 92018, 138027, 142992, 184036, 276054, 368072, 414081, 552108, 736144, 828162, 1104216, 1242243, 1656324, 2208432, 2484486, 3312648, 4968972, 6625296, 9937944, 19875888]

約数ペア:

[(1, 19875888), (2, 9937944), (3, 6625296), (4, 4968972), (6, 3312648), (8, 2484486), (9, 2208432), (12, 1656324), (16, 1242243), (18, 1104216), (24, 828162), (27, 736144), (36, 552108), (48, 414081), (54, 368072), (72, 276054), (108, 184036), (139, 142992), (144, 138027), (216, 92018), (278, 71496), (331, 60048), (417, 47664), (432, 46009), (556, 35748), (662, 30024), (834, 23832), (993, 20016), (1112, 17874), (1251, 15888), (1324, 15012), (1668, 11916), (1986, 10008), (2224, 8937), (2502, 7944), (2648, 7506), (2979, 6672), (3336, 5958), (3753, 5296), (3972, 5004)]