19870242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473101}}^1$

素因数の和:473113

約数の個数: 16

約数和(自身を含む): 45417792

約数和(自身を除く): 25547550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473101, 946202, 1419303, 2838606, 3311707, 6623414, 9935121, 19870242]

約数ペア:

[(1, 19870242), (2, 9935121), (3, 6623414), (6, 3311707), (7, 2838606), (14, 1419303), (21, 946202), (42, 473101)]