19570655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 7645345

約数列:

[1, 5, 13, 17, 65, 85, 89, 199, 221, 445, 995, 1105, 1157, 1513, 2587, 3383, 5785, 7565, 12935, 16915, 17711, 19669, 43979, 88555, 98345, 219895, 230243, 301087, 1151215, 1505435, 3914131, 19570655]

約数ペア:

[(1, 19570655), (5, 3914131), (13, 1505435), (17, 1151215), (65, 301087), (85, 230243), (89, 219895), (199, 98345), (221, 88555), (445, 43979), (995, 19669), (1105, 17711), (1157, 16915), (1513, 12935), (2587, 7565), (3383, 5785)]