19390004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{156371}}^1$

素因数の和:156406

約数の個数: 12

約数和(自身を含む): 35027328

約数和(自身を除く): 15637324

約数列:

[1, 2, 4, 31, 62, 124, 156371, 312742, 625484, 4847501, 9695002, 19390004]

約数ペア:

[(1, 19390004), (2, 9695002), (4, 4847501), (31, 625484), (62, 312742), (124, 156371)]