19471473

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:746

約数の個数: 36

約数和(自身を含む): 33256080

約数和(自身を除く): 13784607

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 659, 1407, 1977, 3283, 4221, 4613, 5931, 9849, 13839, 29547, 32291, 41517, 44153, 96873, 132459, 290619, 309071, 397377, 927213, 2163497, 2781639, 6490491, 19471473]

約数ペア:

[(1, 19471473), (3, 6490491), (7, 2781639), (9, 2163497), (21, 927213), (49, 397377), (63, 309071), (67, 290619), (147, 132459), (201, 96873), (441, 44153), (469, 41517), (603, 32291), (659, 29547), (1407, 13839), (1977, 9849), (3283, 5931), (4221, 4613)]