19009480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67891}}^1$

素因数の和:67909

約数の個数: 32

約数和(自身を含む): 48882240

約数和(自身を除く): 29872760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67891, 135782, 271564, 339455, 475237, 543128, 678910, 950474, 1357820, 1900948, 2376185, 2715640, 3801896, 4752370, 9504740, 19009480]

約数ペア:

[(1, 19009480), (2, 9504740), (4, 4752370), (5, 3801896), (7, 2715640), (8, 2376185), (10, 1900948), (14, 1357820), (20, 950474), (28, 678910), (35, 543128), (40, 475237), (56, 339455), (70, 271564), (140, 135782), (280, 67891)]