19391456

素因数分解:

$2^5\times 7^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 45246600

約数和(自身を除く): 25855144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 83, 98, 112, 149, 166, 196, 224, 298, 332, 392, 581, 596, 664, 784, 1043, 1162, 1192, 1328, 1568, 2086, 2324, 2384, 2656, 4067, 4172, 4648, 4768, 7301, 8134, 8344, 9296, 12367, 14602, 16268, 16688, 18592, 24734, 29204, 32536, 33376, 49468, 58408, 65072, 86569, 98936, 116816, 130144, 173138, 197872, 233632, 346276, 395744, 605983, 692552, 1211966, 1385104, 2423932, 2770208, 4847864, 9695728, 19391456]

約数ペア:

[(1, 19391456), (2, 9695728), (4, 4847864), (7, 2770208), (8, 2423932), (14, 1385104), (16, 1211966), (28, 692552), (32, 605983), (49, 395744), (56, 346276), (83, 233632), (98, 197872), (112, 173138), (149, 130144), (166, 116816), (196, 98936), (224, 86569), (298, 65072), (332, 58408), (392, 49468), (581, 33376), (596, 32536), (664, 29204), (784, 24734), (1043, 18592), (1162, 16688), (1192, 16268), (1328, 14602), (1568, 12367), (2086, 9296), (2324, 8344), (2384, 8134), (2656, 7301), (4067, 4768), (4172, 4648)]