19289520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 65846976

約数和(自身を除く): 46557456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 367, 438, 584, 657, 720, 730, 734, 876, 1095, 1101, 1168, 1314, 1460, 1468, 1752, 1835, 2190, 2202, 2628, 2920, 2936, 3285, 3303, 3504, 3670, 4380, 4404, 5256, 5505, 5840, 5872, 6570, 6606, 7340, 8760, 8808, 10512, 11010, 13140, 13212, 14680, 16515, 17520, 17616, 22020, 26280, 26424, 26791, 29360, 33030, 44040, 52560, 52848, 53582, 66060, 80373, 88080, 107164, 132120, 133955, 160746, 214328, 241119, 264240, 267910, 321492, 401865, 428656, 482238, 535820, 642984, 803730, 964476, 1071640, 1205595, 1285968, 1607460, 1928952, 2143280, 2411190, 3214920, 3857904, 4822380, 6429840, 9644760, 19289520]

約数ペア:

[(1, 19289520), (2, 9644760), (3, 6429840), (4, 4822380), (5, 3857904), (6, 3214920), (8, 2411190), (9, 2143280), (10, 1928952), (12, 1607460), (15, 1285968), (16, 1205595), (18, 1071640), (20, 964476), (24, 803730), (30, 642984), (36, 535820), (40, 482238), (45, 428656), (48, 401865), (60, 321492), (72, 267910), (73, 264240), (80, 241119), (90, 214328), (120, 160746), (144, 133955), (146, 132120), (180, 107164), (219, 88080), (240, 80373), (292, 66060), (360, 53582), (365, 52848), (367, 52560), (438, 44040), (584, 33030), (657, 29360), (720, 26791), (730, 26424), (734, 26280), (876, 22020), (1095, 17616), (1101, 17520), (1168, 16515), (1314, 14680), (1460, 13212), (1468, 13140), (1752, 11010), (1835, 10512), (2190, 8808), (2202, 8760), (2628, 7340), (2920, 6606), (2936, 6570), (3285, 5872), (3303, 5840), (3504, 5505), (3670, 5256), (4380, 4404)]