259917872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{854993}}^1$

素因数の和:855020

約数の個数: 20

約数和(自身を含む): 530096280

約数和(自身を除く): 270178408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 854993, 1709986, 3419972, 6839944, 13679888, 16244867, 32489734, 64979468, 129958936, 259917872]

約数ペア:

[(1, 259917872), (2, 129958936), (4, 64979468), (8, 32489734), (16, 16244867), (19, 13679888), (38, 6839944), (76, 3419972), (152, 1709986), (304, 854993)]