19187580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 54028800

約数和(自身を除く): 34841220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1607, 1990, 2388, 2985, 3214, 3980, 4821, 5970, 6428, 8035, 9642, 11940, 16070, 19284, 24105, 32140, 48210, 96420, 319793, 639586, 959379, 1279172, 1598965, 1918758, 3197930, 3837516, 4796895, 6395860, 9593790, 19187580]

約数ペア:

[(1, 19187580), (2, 9593790), (3, 6395860), (4, 4796895), (5, 3837516), (6, 3197930), (10, 1918758), (12, 1598965), (15, 1279172), (20, 959379), (30, 639586), (60, 319793), (199, 96420), (398, 48210), (597, 32140), (796, 24105), (995, 19284), (1194, 16070), (1607, 11940), (1990, 9642), (2388, 8035), (2985, 6428), (3214, 5970), (3980, 4821)]