18900384482

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{15383}}^1$

素因数の和:15591

約数の個数: 64

約数和(自身を含む): 35444736000

約数和(自身を除く): 16544351518

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 149, 217, 266, 298, 434, 589, 1043, 1178, 2086, 2831, 4123, 4619, 5662, 8246, 9238, 15383, 19817, 30766, 32333, 39634, 64666, 87761, 107681, 175522, 215362, 292277, 476873, 584554, 614327, 953746, 1228654, 2045939, 2292067, 3338111, 4091878, 4584134, 6676222, 9060587, 16044469, 18121174, 32088938, 43549273, 63424109, 71054077, 87098546, 126848218, 142108154, 304844911, 497378539, 609689822, 994757078, 1350027463, 2700054926, 9450192241, 18900384482]

約数ペア:

[(1, 18900384482), (2, 9450192241), (7, 2700054926), (14, 1350027463), (19, 994757078), (31, 609689822), (38, 497378539), (62, 304844911), (133, 142108154), (149, 126848218), (217, 87098546), (266, 71054077), (298, 63424109), (434, 43549273), (589, 32088938), (1043, 18121174), (1178, 16044469), (2086, 9060587), (2831, 6676222), (4123, 4584134), (4619, 4091878), (5662, 3338111), (8246, 2292067), (9238, 2045939), (15383, 1228654), (19817, 953746), (30766, 614327), (32333, 584554), (39634, 476873), (64666, 292277), (87761, 215362), (107681, 175522)]