19931220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110729}}^1$

素因数の和:110744

約数の個数: 36

約数和(自身を含む): 60458580

約数和(自身を除く): 40527360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110729, 221458, 332187, 442916, 553645, 664374, 996561, 1107290, 1328748, 1660935, 1993122, 2214580, 3321870, 3986244, 4982805, 6643740, 9965610, 19931220]

約数ペア:

[(1, 19931220), (2, 9965610), (3, 6643740), (4, 4982805), (5, 3986244), (6, 3321870), (9, 2214580), (10, 1993122), (12, 1660935), (15, 1328748), (18, 1107290), (20, 996561), (30, 664374), (36, 553645), (45, 442916), (60, 332187), (90, 221458), (180, 110729)]