19887294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473507}}^1$

素因数の和:473519

約数の個数: 16

約数和(自身を含む): 45456768

約数和(自身を除く): 25569474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473507, 947014, 1420521, 2841042, 3314549, 6629098, 9943647, 19887294]

約数ペア:

[(1, 19887294), (2, 9943647), (3, 6629098), (6, 3314549), (7, 2841042), (14, 1420521), (21, 947014), (42, 473507)]