18254908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21031}}^1$

素因数の和:21073

約数の個数: 24

約数和(自身を含む): 37689344

約数和(自身を除く): 19434436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21031, 42062, 84124, 147217, 294434, 588868, 651961, 1303922, 2607844, 4563727, 9127454, 18254908]

約数ペア:

[(1, 18254908), (2, 9127454), (4, 4563727), (7, 2607844), (14, 1303922), (28, 651961), (31, 588868), (62, 294434), (124, 147217), (217, 84124), (434, 42062), (868, 21031)]