19730384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39779}}^1$

素因数の和:39818

約数の個数: 20

約数和(自身を含む): 39461760

約数和(自身を除く): 19731376

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39779, 79558, 159116, 318232, 636464, 1233149, 2466298, 4932596, 9865192, 19730384]

約数ペア:

[(1, 19730384), (2, 9865192), (4, 4932596), (8, 2466298), (16, 1233149), (31, 636464), (62, 318232), (124, 159116), (248, 79558), (496, 39779)]