18784872

素因数分解:

$2^3\times 3^6\times {\mathrm{3221}}^1$

素因数の和:3245

約数の個数: 56

約数和(自身を含む): 52824690

約数和(自身を除く): 34039818

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, 729, 972, 1458, 1944, 2916, 3221, 5832, 6442, 9663, 12884, 19326, 25768, 28989, 38652, 57978, 77304, 86967, 115956, 173934, 231912, 260901, 347868, 521802, 695736, 782703, 1043604, 1565406, 2087208, 2348109, 3130812, 4696218, 6261624, 9392436, 18784872]

約数ペア:

[(1, 18784872), (2, 9392436), (3, 6261624), (4, 4696218), (6, 3130812), (8, 2348109), (9, 2087208), (12, 1565406), (18, 1043604), (24, 782703), (27, 695736), (36, 521802), (54, 347868), (72, 260901), (81, 231912), (108, 173934), (162, 115956), (216, 86967), (243, 77304), (324, 57978), (486, 38652), (648, 28989), (729, 25768), (972, 19326), (1458, 12884), (1944, 9663), (2916, 6442), (3221, 5832)]