19782554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13421}}^1$

素因数の和:13501

約数の個数: 16

約数和(自身を含む): 32857056

約数和(自身を除く): 13074502

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13421, 26842, 147631, 295262, 899207, 1798414, 9891277, 19782554]

約数ペア:

[(1, 19782554), (2, 9891277), (11, 1798414), (22, 899207), (67, 295262), (134, 147631), (737, 26842), (1474, 13421)]