19691347984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{841223}}^1$

素因数の和:841268

約数の個数: 80

約数和(自身を含む): 50069652480

約数和(自身を除く): 30378304496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 5852, 11704, 23408, 841223, 1682446, 3364892, 5888561, 6729784, 9253453, 11777122, 13459568, 15983237, 18506906, 23554244, 31966474, 37013812, 47108488, 63932948, 64774171, 74027624, 94216976, 111882659, 127865896, 129548342, 148055248, 175815607, 223765318, 255731792, 259096684, 351631214, 447530636, 518193368, 703262428, 895061272, 1036386736, 1230709249, 1406524856, 1790122544, 2461418498, 2813049712, 4922836996, 9845673992, 19691347984]

約数ペア:

[(1, 19691347984), (2, 9845673992), (4, 4922836996), (7, 2813049712), (8, 2461418498), (11, 1790122544), (14, 1406524856), (16, 1230709249), (19, 1036386736), (22, 895061272), (28, 703262428), (38, 518193368), (44, 447530636), (56, 351631214), (76, 259096684), (77, 255731792), (88, 223765318), (112, 175815607), (133, 148055248), (152, 129548342), (154, 127865896), (176, 111882659), (209, 94216976), (266, 74027624), (304, 64774171), (308, 63932948), (418, 47108488), (532, 37013812), (616, 31966474), (836, 23554244), (1064, 18506906), (1232, 15983237), (1463, 13459568), (1672, 11777122), (2128, 9253453), (2926, 6729784), (3344, 5888561), (5852, 3364892), (11704, 1682446), (23408, 841223)]