19205290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 37444176

約数和(自身を除く): 18238886

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 613, 1205, 1226, 2410, 3065, 3133, 6130, 6266, 7969, 15665, 15938, 31330, 39845, 79690, 147733, 295466, 738665, 1477330, 1920529, 3841058, 9602645, 19205290]

約数ペア:

[(1, 19205290), (2, 9602645), (5, 3841058), (10, 1920529), (13, 1477330), (26, 738665), (65, 295466), (130, 147733), (241, 79690), (482, 39845), (613, 31330), (1205, 15938), (1226, 15665), (2410, 7969), (3065, 6266), (3133, 6130)]