19989438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20693}}^1$

素因数の和:20728

約数の個数: 32

約数和(自身を含む): 47678976

約数和(自身を除く): 27689538

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 20693, 41386, 62079, 124158, 144851, 289702, 434553, 475939, 869106, 951878, 1427817, 2855634, 3331573, 6663146, 9994719, 19989438]

約数ペア:

[(1, 19989438), (2, 9994719), (3, 6663146), (6, 3331573), (7, 2855634), (14, 1427817), (21, 951878), (23, 869106), (42, 475939), (46, 434553), (69, 289702), (138, 144851), (161, 124158), (322, 62079), (483, 41386), (966, 20693)]