19635568

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1129}}^1$

素因数の和:2224

約数の個数: 20

約数和(自身を含む): 38112640

約数和(自身を除く): 18477072

約数列:

[1, 2, 4, 8, 16, 1087, 1129, 2174, 2258, 4348, 4516, 8696, 9032, 17392, 18064, 1227223, 2454446, 4908892, 9817784, 19635568]

約数ペア:

[(1, 19635568), (2, 9817784), (4, 4908892), (8, 2454446), (16, 1227223), (1087, 18064), (1129, 17392), (2174, 9032), (2258, 8696), (4348, 4516)]