19655181

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 35433216

約数和(自身を除く): 15778035

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 233, 273, 309, 699, 721, 819, 927, 1339, 1631, 2097, 2163, 3029, 4017, 4893, 6489, 9087, 9373, 12051, 14679, 21203, 23999, 27261, 28119, 63609, 71997, 84357, 167993, 190827, 215991, 311987, 503979, 935961, 1511937, 2183909, 2807883, 6551727, 19655181]

約数ペア:

[(1, 19655181), (3, 6551727), (7, 2807883), (9, 2183909), (13, 1511937), (21, 935961), (39, 503979), (63, 311987), (91, 215991), (103, 190827), (117, 167993), (233, 84357), (273, 71997), (309, 63609), (699, 28119), (721, 27261), (819, 23999), (927, 21203), (1339, 14679), (1631, 12051), (2097, 9373), (2163, 9087), (3029, 6489), (4017, 4893)]