19838970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1609}}^1$

素因数の和:1759

約数の個数: 48

約数和(自身を含む): 51990120

約数和(自身を除く): 32151150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1609, 2055, 2466, 3218, 4110, 4827, 6165, 8045, 9654, 12330, 14481, 16090, 24135, 28962, 48270, 72405, 144810, 220433, 440866, 661299, 1102165, 1322598, 1983897, 2204330, 3306495, 3967794, 6612990, 9919485, 19838970]

約数ペア:

[(1, 19838970), (2, 9919485), (3, 6612990), (5, 3967794), (6, 3306495), (9, 2204330), (10, 1983897), (15, 1322598), (18, 1102165), (30, 661299), (45, 440866), (90, 220433), (137, 144810), (274, 72405), (411, 48270), (685, 28962), (822, 24135), (1233, 16090), (1370, 14481), (1609, 12330), (2055, 9654), (2466, 8045), (3218, 6165), (4110, 4827)]