19766943

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 34728960

約数和(自身を除く): 14962017

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 201, 223, 441, 469, 603, 669, 1323, 1407, 1561, 1809, 2007, 3283, 4221, 4683, 6021, 9849, 10927, 12663, 14049, 14941, 29547, 32781, 42147, 44823, 88641, 98343, 104587, 134469, 295029, 313761, 403407, 732109, 941283, 2196327, 2823849, 6588981, 19766943]

約数ペア:

[(1, 19766943), (3, 6588981), (7, 2823849), (9, 2196327), (21, 941283), (27, 732109), (49, 403407), (63, 313761), (67, 295029), (147, 134469), (189, 104587), (201, 98343), (223, 88641), (441, 44823), (469, 42147), (603, 32781), (669, 29547), (1323, 14941), (1407, 14049), (1561, 12663), (1809, 10927), (2007, 9849), (3283, 6021), (4221, 4683)]