19954110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 35203650

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 121, 138, 165, 230, 239, 242, 253, 330, 345, 363, 478, 506, 605, 690, 717, 726, 759, 1195, 1210, 1265, 1434, 1518, 1815, 2390, 2530, 2629, 2783, 3585, 3630, 3795, 5258, 5497, 5566, 7170, 7590, 7887, 8349, 10994, 13145, 13915, 15774, 16491, 16698, 26290, 27485, 27830, 28919, 32982, 39435, 41745, 54970, 57838, 60467, 78870, 82455, 83490, 86757, 120934, 144595, 164910, 173514, 181401, 289190, 302335, 362802, 433785, 604670, 665137, 867570, 907005, 1330274, 1814010, 1995411, 3325685, 3990822, 6651370, 9977055, 19954110]

約数ペア:

[(1, 19954110), (2, 9977055), (3, 6651370), (5, 3990822), (6, 3325685), (10, 1995411), (11, 1814010), (15, 1330274), (22, 907005), (23, 867570), (30, 665137), (33, 604670), (46, 433785), (55, 362802), (66, 302335), (69, 289190), (110, 181401), (115, 173514), (121, 164910), (138, 144595), (165, 120934), (230, 86757), (239, 83490), (242, 82455), (253, 78870), (330, 60467), (345, 57838), (363, 54970), (478, 41745), (506, 39435), (605, 32982), (690, 28919), (717, 27830), (726, 27485), (759, 26290), (1195, 16698), (1210, 16491), (1265, 15774), (1434, 13915), (1518, 13145), (1815, 10994), (2390, 8349), (2530, 7887), (2629, 7590), (2783, 7170), (3585, 5566), (3630, 5497), (3795, 5258)]