19278914

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1201

約数の個数: 16

約数和(自身を含む): 29569536

約数和(自身を除く): 10290622

約数列:

[1, 2, 71, 137, 142, 274, 991, 1982, 9727, 19454, 70361, 135767, 140722, 271534, 9639457, 19278914]

約数ペア:

[(1, 19278914), (2, 9639457), (71, 271534), (137, 140722), (142, 135767), (274, 70361), (991, 19454), (1982, 9727)]