19278416

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52387}}^1$

素因数の和:52418

約数の個数: 20

約数和(自身を含む): 38976672

約数和(自身を除く): 19698256

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52387, 104774, 209548, 419096, 838192, 1204901, 2409802, 4819604, 9639208, 19278416]

約数ペア:

[(1, 19278416), (2, 9639208), (4, 4819604), (8, 2409802), (16, 1204901), (23, 838192), (46, 419096), (92, 209548), (184, 104774), (368, 52387)]