19866912

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15919}}^1$

素因数の和:15945

約数の個数: 48

約数和(自身を含む): 56165760

約数和(自身を除く): 36298848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15919, 31838, 47757, 63676, 95514, 127352, 191028, 206947, 254704, 382056, 413894, 509408, 620841, 764112, 827788, 1241682, 1528224, 1655576, 2483364, 3311152, 4966728, 6622304, 9933456, 19866912]

約数ペア:

[(1, 19866912), (2, 9933456), (3, 6622304), (4, 4966728), (6, 3311152), (8, 2483364), (12, 1655576), (13, 1528224), (16, 1241682), (24, 827788), (26, 764112), (32, 620841), (39, 509408), (48, 413894), (52, 382056), (78, 254704), (96, 206947), (104, 191028), (156, 127352), (208, 95514), (312, 63676), (416, 47757), (624, 31838), (1248, 15919)]