19005535280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{7369}}^1$

素因数の和:7798

約数の個数: 80

約数和(自身を含む): 44765497920

約数和(自身を除く): 25759962640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 313, 412, 515, 626, 824, 1030, 1252, 1565, 1648, 2060, 2504, 3130, 4120, 5008, 6260, 7369, 8240, 12520, 14738, 25040, 29476, 32239, 36845, 58952, 64478, 73690, 117904, 128956, 147380, 161195, 257912, 294760, 322390, 515824, 589520, 644780, 759007, 1289560, 1518014, 2306497, 2579120, 3036028, 3795035, 4612994, 6072056, 7590070, 9225988, 11532485, 12144112, 15180140, 18451976, 23064970, 30360280, 36903952, 46129940, 60720560, 92259880, 184519760, 237569191, 475138382, 950276764, 1187845955, 1900553528, 2375691910, 3801107056, 4751383820, 9502767640, 19005535280]

約数ペア:

[(1, 19005535280), (2, 9502767640), (4, 4751383820), (5, 3801107056), (8, 2375691910), (10, 1900553528), (16, 1187845955), (20, 950276764), (40, 475138382), (80, 237569191), (103, 184519760), (206, 92259880), (313, 60720560), (412, 46129940), (515, 36903952), (626, 30360280), (824, 23064970), (1030, 18451976), (1252, 15180140), (1565, 12144112), (1648, 11532485), (2060, 9225988), (2504, 7590070), (3130, 6072056), (4120, 4612994), (5008, 3795035), (6260, 3036028), (7369, 2579120), (8240, 2306497), (12520, 1518014), (14738, 1289560), (25040, 759007), (29476, 644780), (32239, 589520), (36845, 515824), (58952, 322390), (64478, 294760), (73690, 257912), (117904, 161195), (128956, 147380)]