19820781318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4794577}}^1$

素因数の和:4794648

約数の個数: 32

約数和(自身を含む): 43496411616

約数和(自身を除く): 23675630298

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4794577, 9589154, 14383731, 28767462, 62329501, 124659002, 186988503, 254112581, 373977006, 508225162, 762337743, 1524675486, 3303463553, 6606927106, 9910390659, 19820781318]

約数ペア:

[(1, 19820781318), (2, 9910390659), (3, 6606927106), (6, 3303463553), (13, 1524675486), (26, 762337743), (39, 508225162), (53, 373977006), (78, 254112581), (106, 186988503), (159, 124659002), (318, 62329501), (689, 28767462), (1378, 14383731), (2067, 9589154), (4134, 4794577)]