19483952

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7039}}^1$

素因数の和:7220

約数の個数: 20

約数和(自身を含む): 37973760

約数和(自身を除く): 18489808

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7039, 14078, 28156, 56312, 112624, 1217747, 2435494, 4870988, 9741976, 19483952]

約数ペア:

[(1, 19483952), (2, 9741976), (4, 4870988), (8, 2435494), (16, 1217747), (173, 112624), (346, 56312), (692, 28156), (1384, 14078), (2768, 7039)]