19843766

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{1171}}^1$

素因数の和:1439

約数の個数: 16

約数和(自身を含む): 30729840

約数和(自身を除く): 10886074

約数列:

[1, 2, 37, 74, 229, 458, 1171, 2342, 8473, 16946, 43327, 86654, 268159, 536318, 9921883, 19843766]

約数ペア:

[(1, 19843766), (2, 9921883), (37, 536318), (74, 268159), (229, 86654), (458, 43327), (1171, 16946), (2342, 8473)]