19520172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 37718100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1091, 1278, 1491, 1988, 2182, 2556, 2982, 3273, 4364, 4473, 5964, 6546, 7637, 8946, 9819, 13092, 15274, 17892, 19638, 22911, 30548, 39276, 45822, 68733, 77461, 91644, 137466, 154922, 232383, 274932, 309844, 464766, 542227, 697149, 929532, 1084454, 1394298, 1626681, 2168908, 2788596, 3253362, 4880043, 6506724, 9760086, 19520172]

約数ペア:

[(1, 19520172), (2, 9760086), (3, 6506724), (4, 4880043), (6, 3253362), (7, 2788596), (9, 2168908), (12, 1626681), (14, 1394298), (18, 1084454), (21, 929532), (28, 697149), (36, 542227), (42, 464766), (63, 309844), (71, 274932), (84, 232383), (126, 154922), (142, 137466), (213, 91644), (252, 77461), (284, 68733), (426, 45822), (497, 39276), (639, 30548), (852, 22911), (994, 19638), (1091, 17892), (1278, 15274), (1491, 13092), (1988, 9819), (2182, 8946), (2556, 7637), (2982, 6546), (3273, 5964), (4364, 4473)]