18007304

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 39890880

約数和(自身を除く): 21883576

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 647, 994, 1294, 1988, 2588, 3479, 3976, 4529, 5176, 6958, 9058, 13916, 18116, 27832, 31703, 36232, 45937, 63406, 91874, 126812, 183748, 253624, 321559, 367496, 643118, 1286236, 2250913, 2572472, 4501826, 9003652, 18007304]

約数ペア:

[(1, 18007304), (2, 9003652), (4, 4501826), (7, 2572472), (8, 2250913), (14, 1286236), (28, 643118), (49, 367496), (56, 321559), (71, 253624), (98, 183748), (142, 126812), (196, 91874), (284, 63406), (392, 45937), (497, 36232), (568, 31703), (647, 27832), (994, 18116), (1294, 13916), (1988, 9058), (2588, 6958), (3479, 5176), (3976, 4529)]