18139760019

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{72161}}^1$

素因数の和:72268

約数の個数: 48

約数和(自身を含む): 29178849024

約数和(自身を除く): 11039089005

約数列:

[1, 3, 9, 17, 31, 51, 53, 93, 153, 159, 279, 477, 527, 901, 1581, 1643, 2703, 4743, 4929, 8109, 14787, 27931, 72161, 83793, 216483, 251379, 649449, 1226737, 2236991, 3680211, 3824533, 6710973, 11040633, 11473599, 20132919, 34420797, 38028847, 65017061, 114086541, 118560523, 195051183, 342259623, 355681569, 585153549, 1067044707, 2015528891, 6046586673, 18139760019]

約数ペア:

[(1, 18139760019), (3, 6046586673), (9, 2015528891), (17, 1067044707), (31, 585153549), (51, 355681569), (53, 342259623), (93, 195051183), (153, 118560523), (159, 114086541), (279, 65017061), (477, 38028847), (527, 34420797), (901, 20132919), (1581, 11473599), (1643, 11040633), (2703, 6710973), (4743, 3824533), (4929, 3680211), (8109, 2236991), (14787, 1226737), (27931, 649449), (72161, 251379), (83793, 216483)]