19348940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74419}}^1$

素因数の和:74441

約数の個数: 24

約数和(自身を含む): 43758960

約数和(自身を除く): 24410020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74419, 148838, 297676, 372095, 744190, 967447, 1488380, 1934894, 3869788, 4837235, 9674470, 19348940]

約数ペア:

[(1, 19348940), (2, 9674470), (4, 4837235), (5, 3869788), (10, 1934894), (13, 1488380), (20, 967447), (26, 744190), (52, 372095), (65, 297676), (130, 148838), (260, 74419)]