19950546

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 52531200

約数和(自身を除く): 32580654

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 49, 62, 66, 77, 93, 98, 147, 154, 186, 199, 217, 231, 294, 341, 398, 434, 462, 539, 597, 651, 682, 1023, 1078, 1194, 1302, 1393, 1519, 1617, 2046, 2189, 2387, 2786, 3038, 3234, 4179, 4378, 4557, 4774, 6169, 6567, 7161, 8358, 9114, 9751, 12338, 13134, 14322, 15323, 16709, 18507, 19502, 29253, 30646, 33418, 37014, 43183, 45969, 50127, 58506, 67859, 86366, 91938, 100254, 107261, 129549, 135718, 203577, 214522, 259098, 302281, 321783, 407154, 475013, 604562, 643566, 906843, 950026, 1425039, 1813686, 2850078, 3325091, 6650182, 9975273, 19950546]

約数ペア:

[(1, 19950546), (2, 9975273), (3, 6650182), (6, 3325091), (7, 2850078), (11, 1813686), (14, 1425039), (21, 950026), (22, 906843), (31, 643566), (33, 604562), (42, 475013), (49, 407154), (62, 321783), (66, 302281), (77, 259098), (93, 214522), (98, 203577), (147, 135718), (154, 129549), (186, 107261), (199, 100254), (217, 91938), (231, 86366), (294, 67859), (341, 58506), (398, 50127), (434, 45969), (462, 43183), (539, 37014), (597, 33418), (651, 30646), (682, 29253), (1023, 19502), (1078, 18507), (1194, 16709), (1302, 15323), (1393, 14322), (1519, 13134), (1617, 12338), (2046, 9751), (2189, 9114), (2387, 8358), (2786, 7161), (3038, 6567), (3234, 6169), (4179, 4774), (4378, 4557)]