19018565588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{9439}}^1$

素因数の和:9669

約数の個数: 72

約数和(自身を含む): 38388779520

約数和(自身を除く): 19370213932

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 181, 242, 253, 362, 484, 506, 724, 1012, 1991, 2783, 3982, 4163, 5566, 7964, 8326, 9439, 11132, 16652, 18878, 21901, 37756, 43802, 45793, 87604, 91586, 103829, 183172, 207658, 217097, 415316, 434194, 503723, 868388, 1007446, 1142119, 1708459, 2014892, 2284238, 2388067, 3416918, 4568476, 4776134, 6833836, 9552268, 18793049, 26268737, 37586098, 39294557, 52537474, 75172196, 78589114, 105074948, 157178228, 206723539, 413447078, 432240127, 826894156, 864480254, 1728960508, 4754641397, 9509282794, 19018565588]

約数ペア:

[(1, 19018565588), (2, 9509282794), (4, 4754641397), (11, 1728960508), (22, 864480254), (23, 826894156), (44, 432240127), (46, 413447078), (92, 206723539), (121, 157178228), (181, 105074948), (242, 78589114), (253, 75172196), (362, 52537474), (484, 39294557), (506, 37586098), (724, 26268737), (1012, 18793049), (1991, 9552268), (2783, 6833836), (3982, 4776134), (4163, 4568476), (5566, 3416918), (7964, 2388067), (8326, 2284238), (9439, 2014892), (11132, 1708459), (16652, 1142119), (18878, 1007446), (21901, 868388), (37756, 503723), (43802, 434194), (45793, 415316), (87604, 217097), (91586, 207658), (103829, 183172)]