19715256

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 61414080

約数和(自身を除く): 41698824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 44, 62, 66, 72, 73, 88, 93, 99, 121, 124, 132, 146, 186, 198, 219, 242, 248, 264, 279, 292, 341, 363, 372, 396, 438, 484, 558, 584, 657, 682, 726, 744, 792, 803, 876, 968, 1023, 1089, 1116, 1314, 1364, 1452, 1606, 1752, 2046, 2178, 2232, 2263, 2409, 2628, 2728, 2904, 3069, 3212, 3751, 4092, 4356, 4526, 4818, 5256, 6138, 6424, 6789, 7227, 7502, 8184, 8712, 8833, 9052, 9636, 11253, 12276, 13578, 14454, 15004, 17666, 18104, 19272, 20367, 22506, 24552, 24893, 26499, 27156, 28908, 30008, 33759, 35332, 40734, 45012, 49786, 52998, 54312, 57816, 67518, 70664, 74679, 79497, 81468, 90024, 99572, 105996, 135036, 149358, 158994, 162936, 199144, 211992, 224037, 270072, 273823, 298716, 317988, 448074, 547646, 597432, 635976, 821469, 896148, 1095292, 1642938, 1792296, 2190584, 2464407, 3285876, 4928814, 6571752, 9857628, 19715256]

約数ペア:

[(1, 19715256), (2, 9857628), (3, 6571752), (4, 4928814), (6, 3285876), (8, 2464407), (9, 2190584), (11, 1792296), (12, 1642938), (18, 1095292), (22, 896148), (24, 821469), (31, 635976), (33, 597432), (36, 547646), (44, 448074), (62, 317988), (66, 298716), (72, 273823), (73, 270072), (88, 224037), (93, 211992), (99, 199144), (121, 162936), (124, 158994), (132, 149358), (146, 135036), (186, 105996), (198, 99572), (219, 90024), (242, 81468), (248, 79497), (264, 74679), (279, 70664), (292, 67518), (341, 57816), (363, 54312), (372, 52998), (396, 49786), (438, 45012), (484, 40734), (558, 35332), (584, 33759), (657, 30008), (682, 28908), (726, 27156), (744, 26499), (792, 24893), (803, 24552), (876, 22506), (968, 20367), (1023, 19272), (1089, 18104), (1116, 17666), (1314, 15004), (1364, 14454), (1452, 13578), (1606, 12276), (1752, 11253), (2046, 9636), (2178, 9052), (2232, 8833), (2263, 8712), (2409, 8184), (2628, 7502), (2728, 7227), (2904, 6789), (3069, 6424), (3212, 6138), (3751, 5256), (4092, 4818), (4356, 4526)]