18871644

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 49737744

約数和(自身を除く): 30866100

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 121, 123, 132, 164, 242, 246, 317, 363, 451, 484, 492, 634, 726, 902, 951, 1268, 1353, 1452, 1804, 1902, 2706, 3487, 3804, 4961, 5412, 6974, 9922, 10461, 12997, 13948, 14883, 19844, 20922, 25994, 29766, 38357, 38991, 41844, 51988, 59532, 76714, 77982, 115071, 142967, 153428, 155964, 230142, 285934, 428901, 460284, 571868, 857802, 1572637, 1715604, 3145274, 4717911, 6290548, 9435822, 18871644]

約数ペア:

[(1, 18871644), (2, 9435822), (3, 6290548), (4, 4717911), (6, 3145274), (11, 1715604), (12, 1572637), (22, 857802), (33, 571868), (41, 460284), (44, 428901), (66, 285934), (82, 230142), (121, 155964), (123, 153428), (132, 142967), (164, 115071), (242, 77982), (246, 76714), (317, 59532), (363, 51988), (451, 41844), (484, 38991), (492, 38357), (634, 29766), (726, 25994), (902, 20922), (951, 19844), (1268, 14883), (1353, 13948), (1452, 12997), (1804, 10461), (1902, 9922), (2706, 6974), (3487, 5412), (3804, 4961)]