19915794

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 45837792

約数和(自身を除く): 25921998

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 953, 1161, 1906, 2322, 2859, 3483, 5718, 6966, 8577, 10449, 17154, 20898, 25731, 40979, 51462, 77193, 81958, 122937, 154386, 231579, 245874, 368811, 463158, 737622, 1106433, 2212866, 3319299, 6638598, 9957897, 19915794]

約数ペア:

[(1, 19915794), (2, 9957897), (3, 6638598), (6, 3319299), (9, 2212866), (18, 1106433), (27, 737622), (43, 463158), (54, 368811), (81, 245874), (86, 231579), (129, 154386), (162, 122937), (243, 81958), (258, 77193), (387, 51462), (486, 40979), (774, 25731), (953, 20898), (1161, 17154), (1906, 10449), (2322, 8577), (2859, 6966), (3483, 5718)]