19218576

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1664

約数の個数: 80

約数和(自身を含む): 56315840

約数和(自身を除く): 37097264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1621, 1976, 2964, 3242, 3952, 4863, 5928, 6484, 9726, 11856, 12968, 19452, 21073, 25936, 30799, 38904, 42146, 61598, 63219, 77808, 84292, 92397, 123196, 126438, 168584, 184794, 246392, 252876, 337168, 369588, 400387, 492784, 505752, 739176, 800774, 1011504, 1201161, 1478352, 1601548, 2402322, 3203096, 4804644, 6406192, 9609288, 19218576]

約数ペア:

[(1, 19218576), (2, 9609288), (3, 6406192), (4, 4804644), (6, 3203096), (8, 2402322), (12, 1601548), (13, 1478352), (16, 1201161), (19, 1011504), (24, 800774), (26, 739176), (38, 505752), (39, 492784), (48, 400387), (52, 369588), (57, 337168), (76, 252876), (78, 246392), (104, 184794), (114, 168584), (152, 126438), (156, 123196), (208, 92397), (228, 84292), (247, 77808), (304, 63219), (312, 61598), (456, 42146), (494, 38904), (624, 30799), (741, 25936), (912, 21073), (988, 19452), (1482, 12968), (1621, 11856), (1976, 9726), (2964, 6484), (3242, 5928), (3952, 4863)]