20182886515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:953

約数の個数: 96

約数和(自身を含む): 29579880960

約数和(自身を除く): 9396994445

約数列:

[1, 5, 11, 19, 23, 55, 95, 97, 115, 121, 209, 253, 437, 485, 605, 787, 1045, 1067, 1265, 1843, 2185, 2231, 2299, 2783, 3935, 4807, 5335, 8657, 9215, 11155, 11495, 11737, 13915, 14953, 18101, 20273, 24035, 24541, 42389, 43285, 52877, 58685, 74765, 76339, 90505, 95227, 101365, 122705, 164483, 199111, 211945, 223003, 264385, 269951, 343919, 381695, 466279, 476135, 822415, 839729, 995555, 1115015, 1349755, 1450441, 1719595, 1755797, 1809313, 2190221, 2331395, 3783109, 4198645, 5129069, 7252205, 8778985, 9046565, 9237019, 10951105, 15954851, 18915545, 19313767, 25645345, 33360143, 41614199, 46185095, 79774255, 96568835, 166800715, 175503361, 208070995, 212451437, 366961573, 877516805, 1062257185, 1834807865, 4036577303, 20182886515]

約数ペア:

[(1, 20182886515), (5, 4036577303), (11, 1834807865), (19, 1062257185), (23, 877516805), (55, 366961573), (95, 212451437), (97, 208070995), (115, 175503361), (121, 166800715), (209, 96568835), (253, 79774255), (437, 46185095), (485, 41614199), (605, 33360143), (787, 25645345), (1045, 19313767), (1067, 18915545), (1265, 15954851), (1843, 10951105), (2185, 9237019), (2231, 9046565), (2299, 8778985), (2783, 7252205), (3935, 5129069), (4807, 4198645), (5335, 3783109), (8657, 2331395), (9215, 2190221), (11155, 1809313), (11495, 1755797), (11737, 1719595), (13915, 1450441), (14953, 1349755), (18101, 1115015), (20273, 995555), (24035, 839729), (24541, 822415), (42389, 476135), (43285, 466279), (52877, 381695), (58685, 343919), (74765, 269951), (76339, 264385), (90505, 223003), (95227, 211945), (101365, 199111), (122705, 164483)]