18416356

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 38886400

約数和(自身を除く): 20470044

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 433, 434, 686, 866, 868, 1372, 1519, 1732, 3031, 3038, 6062, 6076, 10633, 12124, 13423, 21217, 21266, 26846, 42434, 42532, 53692, 84868, 93961, 148519, 187922, 297038, 375844, 594076, 657727, 1315454, 2630908, 4604089, 9208178, 18416356]

約数ペア:

[(1, 18416356), (2, 9208178), (4, 4604089), (7, 2630908), (14, 1315454), (28, 657727), (31, 594076), (49, 375844), (62, 297038), (98, 187922), (124, 148519), (196, 93961), (217, 84868), (343, 53692), (433, 42532), (434, 42434), (686, 26846), (866, 21266), (868, 21217), (1372, 13423), (1519, 12124), (1732, 10633), (3031, 6076), (3038, 6062)]