19318390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 45536256

約数和(自身を除く): 26217866

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 71, 91, 115, 130, 142, 161, 169, 182, 230, 299, 322, 338, 355, 455, 497, 598, 710, 805, 845, 910, 923, 994, 1183, 1495, 1610, 1633, 1690, 1846, 2093, 2366, 2485, 2990, 3266, 3887, 4186, 4615, 4970, 5915, 6461, 7774, 8165, 9230, 10465, 11431, 11830, 11999, 12922, 16330, 19435, 20930, 21229, 22862, 23998, 27209, 32305, 38870, 42458, 54418, 57155, 59995, 64610, 83993, 106145, 114310, 119990, 136045, 148603, 167986, 212290, 272090, 275977, 297206, 419965, 551954, 743015, 839930, 1379885, 1486030, 1931839, 2759770, 3863678, 9659195, 19318390]

約数ペア:

[(1, 19318390), (2, 9659195), (5, 3863678), (7, 2759770), (10, 1931839), (13, 1486030), (14, 1379885), (23, 839930), (26, 743015), (35, 551954), (46, 419965), (65, 297206), (70, 275977), (71, 272090), (91, 212290), (115, 167986), (130, 148603), (142, 136045), (161, 119990), (169, 114310), (182, 106145), (230, 83993), (299, 64610), (322, 59995), (338, 57155), (355, 54418), (455, 42458), (497, 38870), (598, 32305), (710, 27209), (805, 23998), (845, 22862), (910, 21229), (923, 20930), (994, 19435), (1183, 16330), (1495, 12922), (1610, 11999), (1633, 11830), (1690, 11431), (1846, 10465), (2093, 9230), (2366, 8165), (2485, 7774), (2990, 6461), (3266, 5915), (3887, 4970), (4186, 4615)]