18945944

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21727}}^1$

素因数の和:21842

約数の個数: 16

約数和(自身を含む): 35851200

約数和(自身を除く): 16905256

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21727, 43454, 86908, 173816, 2368243, 4736486, 9472972, 18945944]

約数ペア:

[(1, 18945944), (2, 9472972), (4, 4736486), (8, 2368243), (109, 173816), (218, 86908), (436, 43454), (872, 21727)]