19693119520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:895

約数の個数: 144

約数和(自身を含む): 48381629184

約数和(自身を除く): 28688509664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 211, 248, 310, 422, 496, 607, 620, 844, 961, 992, 1055, 1214, 1240, 1688, 1922, 2110, 2428, 2480, 3035, 3376, 3844, 4220, 4805, 4856, 4960, 6070, 6541, 6752, 7688, 8440, 9610, 9712, 12140, 13082, 15376, 16880, 18817, 19220, 19424, 24280, 26164, 30752, 32705, 33760, 37634, 38440, 48560, 52328, 65410, 75268, 76880, 94085, 97120, 104656, 128077, 130820, 150536, 153760, 188170, 202771, 209312, 256154, 261640, 301072, 376340, 405542, 512308, 523280, 583327, 602144, 640385, 752680, 811084, 1013855, 1024616, 1046560, 1166654, 1280770, 1505360, 1622168, 2027710, 2049232, 2333308, 2561540, 2916635, 3010720, 3244336, 3970387, 4055420, 4098464, 4666616, 5123080, 5833270, 6488672, 7940774, 8110840, 9333232, 10246160, 11666540, 15881548, 16221680, 18666464, 19851935, 20492320, 23333080, 31763096, 32443360, 39703870, 46666160, 63526192, 79407740, 93332320, 123081997, 127052384, 158815480, 246163994, 317630960, 492327988, 615409985, 635261920, 984655976, 1230819970, 1969311952, 2461639940, 3938623904, 4923279880, 9846559760, 19693119520]

約数ペア:

[(1, 19693119520), (2, 9846559760), (4, 4923279880), (5, 3938623904), (8, 2461639940), (10, 1969311952), (16, 1230819970), (20, 984655976), (31, 635261920), (32, 615409985), (40, 492327988), (62, 317630960), (80, 246163994), (124, 158815480), (155, 127052384), (160, 123081997), (211, 93332320), (248, 79407740), (310, 63526192), (422, 46666160), (496, 39703870), (607, 32443360), (620, 31763096), (844, 23333080), (961, 20492320), (992, 19851935), (1055, 18666464), (1214, 16221680), (1240, 15881548), (1688, 11666540), (1922, 10246160), (2110, 9333232), (2428, 8110840), (2480, 7940774), (3035, 6488672), (3376, 5833270), (3844, 5123080), (4220, 4666616), (4805, 4098464), (4856, 4055420), (4960, 3970387), (6070, 3244336), (6541, 3010720), (6752, 2916635), (7688, 2561540), (8440, 2333308), (9610, 2049232), (9712, 2027710), (12140, 1622168), (13082, 1505360), (15376, 1280770), (16880, 1166654), (18817, 1046560), (19220, 1024616), (19424, 1013855), (24280, 811084), (26164, 752680), (30752, 640385), (32705, 602144), (33760, 583327), (37634, 523280), (38440, 512308), (48560, 405542), (52328, 376340), (65410, 301072), (75268, 261640), (76880, 256154), (94085, 209312), (97120, 202771), (104656, 188170), (128077, 153760), (130820, 150536)]