18587946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{238307}}^1$

素因数の和:238325

約数の個数: 16

約数和(自身を含む): 40035744

約数和(自身を除く): 21447798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 238307, 476614, 714921, 1429842, 3097991, 6195982, 9293973, 18587946]

約数ペア:

[(1, 18587946), (2, 9293973), (3, 6195982), (6, 3097991), (13, 1429842), (26, 714921), (39, 476614), (78, 238307)]