19921022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24473}}^1$

素因数の和:24523

約数の個数: 16

約数和(自身を含む): 33480432

約数和(自身を除く): 13559410

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 24473, 48946, 269203, 538406, 905501, 1811002, 9960511, 19921022]

約数ペア:

[(1, 19921022), (2, 9960511), (11, 1811002), (22, 905501), (37, 538406), (74, 269203), (407, 48946), (814, 24473)]