19953414

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 47253024

約数和(自身を除く): 27299610

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1201, 1278, 1846, 2402, 2769, 3603, 5538, 7206, 8307, 10809, 15613, 16614, 21618, 31226, 46839, 85271, 93678, 140517, 170542, 255813, 281034, 511626, 767439, 1108523, 1534878, 2217046, 3325569, 6651138, 9976707, 19953414]

約数ペア:

[(1, 19953414), (2, 9976707), (3, 6651138), (6, 3325569), (9, 2217046), (13, 1534878), (18, 1108523), (26, 767439), (39, 511626), (71, 281034), (78, 255813), (117, 170542), (142, 140517), (213, 93678), (234, 85271), (426, 46839), (639, 31226), (923, 21618), (1201, 16614), (1278, 15613), (1846, 10809), (2402, 8307), (2769, 7206), (3603, 5538)]