18426933

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 56

約数和(自身を含む): 33157248

約数和(自身を除く): 14730315

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 157, 161, 189, 207, 243, 471, 483, 567, 621, 729, 1099, 1413, 1449, 1701, 1863, 3297, 3611, 4239, 4347, 5103, 5589, 9891, 10833, 12717, 13041, 16767, 25277, 29673, 32499, 38151, 39123, 75831, 89019, 97497, 114453, 117369, 227493, 267057, 292491, 682479, 801171, 877473, 2047437, 2632419, 6142311, 18426933]

約数ペア:

[(1, 18426933), (3, 6142311), (7, 2632419), (9, 2047437), (21, 877473), (23, 801171), (27, 682479), (63, 292491), (69, 267057), (81, 227493), (157, 117369), (161, 114453), (189, 97497), (207, 89019), (243, 75831), (471, 39123), (483, 38151), (567, 32499), (621, 29673), (729, 25277), (1099, 16767), (1413, 13041), (1449, 12717), (1701, 10833), (1863, 9891), (3297, 5589), (3611, 5103), (4239, 4347)]