19756872

素因数分解:

$2^3\times 3^5\times {\mathrm{10163}}^1$

素因数の和:10184

約数の個数: 48

約数和(自身を含む): 55495440

約数和(自身を除く): 35738568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10163, 20326, 30489, 40652, 60978, 81304, 91467, 121956, 182934, 243912, 274401, 365868, 548802, 731736, 823203, 1097604, 1646406, 2195208, 2469609, 3292812, 4939218, 6585624, 9878436, 19756872]

約数ペア:

[(1, 19756872), (2, 9878436), (3, 6585624), (4, 4939218), (6, 3292812), (8, 2469609), (9, 2195208), (12, 1646406), (18, 1097604), (24, 823203), (27, 731736), (36, 548802), (54, 365868), (72, 274401), (81, 243912), (108, 182934), (162, 121956), (216, 91467), (243, 81304), (324, 60978), (486, 40652), (648, 30489), (972, 20326), (1944, 10163)]