1999072016

素因数分解:

$2^4\times {\mathrm{4673}}^1\times {\mathrm{26737}}^1$

素因数の和:31418

約数の個数: 20

約数和(自身を含む): 3874175772

約数和(自身を除く): 1875103756

約数列:

[1, 2, 4, 8, 16, 4673, 9346, 18692, 26737, 37384, 53474, 74768, 106948, 213896, 427792, 124942001, 249884002, 499768004, 999536008, 1999072016]

約数ペア:

[(1, 1999072016), (2, 999536008), (4, 499768004), (8, 249884002), (16, 124942001), (4673, 427792), (9346, 213896), (18692, 106948), (26737, 74768), (37384, 53474)]