19560970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13679}}^1$

素因数の和:13710

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 21807350

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13679, 27358, 68395, 136790, 150469, 177827, 300938, 355654, 752345, 889135, 1504690, 1778270, 1956097, 3912194, 9780485, 19560970]

約数ペア:

[(1, 19560970), (2, 9780485), (5, 3912194), (10, 1956097), (11, 1778270), (13, 1504690), (22, 889135), (26, 752345), (55, 355654), (65, 300938), (110, 177827), (130, 150469), (143, 136790), (286, 68395), (715, 27358), (1430, 13679)]