19839908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2137}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 38073504

約数和(自身を除く): 18233596

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2137, 2321, 4274, 4642, 8548, 9284, 23507, 47014, 94028, 450907, 901814, 1803628, 4959977, 9919954, 19839908]

約数ペア:

[(1, 19839908), (2, 9919954), (4, 4959977), (11, 1803628), (22, 901814), (44, 450907), (211, 94028), (422, 47014), (844, 23507), (2137, 9284), (2321, 8548), (4274, 4642)]