19736693768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1\times {\mathrm{1697}}^1$

素因数の和:2750

約数の個数: 64

約数和(自身を含む): 40711248000

約数和(自身を除く): 20974554232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 887, 1192, 1639, 1697, 1774, 3278, 3394, 3548, 6556, 6788, 7096, 9757, 13112, 13576, 18667, 19514, 37334, 39028, 74668, 78056, 132163, 149336, 252853, 264326, 505706, 528652, 1011412, 1057304, 1453793, 1505239, 2022824, 2781383, 2907586, 3010478, 5562766, 5815172, 6020956, 11125532, 11630344, 12041912, 16557629, 22251064, 33115258, 66230516, 132461032, 224280611, 448561222, 897122444, 1794244888, 2467086721, 4934173442, 9868346884, 19736693768]

約数ペア:

[(1, 19736693768), (2, 9868346884), (4, 4934173442), (8, 2467086721), (11, 1794244888), (22, 897122444), (44, 448561222), (88, 224280611), (149, 132461032), (298, 66230516), (596, 33115258), (887, 22251064), (1192, 16557629), (1639, 12041912), (1697, 11630344), (1774, 11125532), (3278, 6020956), (3394, 5815172), (3548, 5562766), (6556, 3010478), (6788, 2907586), (7096, 2781383), (9757, 2022824), (13112, 1505239), (13576, 1453793), (18667, 1057304), (19514, 1011412), (37334, 528652), (39028, 505706), (74668, 264326), (78056, 252853), (132163, 149336)]