2013221988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{68449}}^1$

素因数の和:68521

約数の個数: 72

約数和(自身を含む): 5481476000

約数和(自身を除く): 3468254012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 1548, 1634, 2451, 3268, 4902, 7353, 9804, 14706, 29412, 68449, 136898, 205347, 273796, 410694, 616041, 821388, 1232082, 1300531, 2464164, 2601062, 2943307, 3901593, 5202124, 5886614, 7803186, 8829921, 11704779, 11773228, 15606372, 17659842, 23409558, 26489763, 35319684, 46819116, 52979526, 55922833, 105959052, 111845666, 167768499, 223691332, 335536998, 503305497, 671073996, 1006610994, 2013221988]

約数ペア:

[(1, 2013221988), (2, 1006610994), (3, 671073996), (4, 503305497), (6, 335536998), (9, 223691332), (12, 167768499), (18, 111845666), (19, 105959052), (36, 55922833), (38, 52979526), (43, 46819116), (57, 35319684), (76, 26489763), (86, 23409558), (114, 17659842), (129, 15606372), (171, 11773228), (172, 11704779), (228, 8829921), (258, 7803186), (342, 5886614), (387, 5202124), (516, 3901593), (684, 2943307), (774, 2601062), (817, 2464164), (1548, 1300531), (1634, 1232082), (2451, 821388), (3268, 616041), (4902, 410694), (7353, 273796), (9804, 205347), (14706, 136898), (29412, 68449)]