19313940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{863}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 54286848

約数和(自身を除く): 34972908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 863, 1119, 1492, 1726, 1865, 2238, 2589, 3452, 3730, 4315, 4476, 5178, 5595, 7460, 8630, 10356, 11190, 12945, 17260, 22380, 25890, 51780, 321899, 643798, 965697, 1287596, 1609495, 1931394, 3218990, 3862788, 4828485, 6437980, 9656970, 19313940]

約数ペア:

[(1, 19313940), (2, 9656970), (3, 6437980), (4, 4828485), (5, 3862788), (6, 3218990), (10, 1931394), (12, 1609495), (15, 1287596), (20, 965697), (30, 643798), (60, 321899), (373, 51780), (746, 25890), (863, 22380), (1119, 17260), (1492, 12945), (1726, 11190), (1865, 10356), (2238, 8630), (2589, 7460), (3452, 5595), (3730, 5178), (4315, 4476)]