19697769

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8046

約数の個数: 32

約数和(自身を含む): 35920640

約数和(自身を除く): 16222871

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8017, 24051, 56119, 72153, 104221, 168357, 216459, 312663, 505071, 729547, 937989, 1515213, 2188641, 2813967, 6565923, 19697769]

約数ペア:

[(1, 19697769), (3, 6565923), (7, 2813967), (9, 2188641), (13, 1515213), (21, 937989), (27, 729547), (39, 505071), (63, 312663), (91, 216459), (117, 168357), (189, 104221), (273, 72153), (351, 56119), (819, 24051), (2457, 8017)]