19557990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4294

約数の個数: 64

約数和(自身を含む): 55235520

約数和(自身を除く): 35677530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4261, 4590, 8522, 12783, 21305, 25566, 38349, 42610, 63915, 72437, 76698, 115047, 127830, 144874, 191745, 217311, 230094, 362185, 383490, 434622, 575235, 651933, 724370, 1086555, 1150470, 1303866, 1955799, 2173110, 3259665, 3911598, 6519330, 9778995, 19557990]

約数ペア:

[(1, 19557990), (2, 9778995), (3, 6519330), (5, 3911598), (6, 3259665), (9, 2173110), (10, 1955799), (15, 1303866), (17, 1150470), (18, 1086555), (27, 724370), (30, 651933), (34, 575235), (45, 434622), (51, 383490), (54, 362185), (85, 230094), (90, 217311), (102, 191745), (135, 144874), (153, 127830), (170, 115047), (255, 76698), (270, 72437), (306, 63915), (459, 42610), (510, 38349), (765, 25566), (918, 21305), (1530, 12783), (2295, 8522), (4261, 4590)]