19975376

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 40068864

約数和(自身を除く): 20093488

約数列:

[1, 2, 4, 8, 16, 47, 94, 101, 188, 202, 263, 376, 404, 526, 752, 808, 1052, 1616, 2104, 4208, 4747, 9494, 12361, 18988, 24722, 26563, 37976, 49444, 53126, 75952, 98888, 106252, 197776, 212504, 425008, 1248461, 2496922, 4993844, 9987688, 19975376]

約数ペア:

[(1, 19975376), (2, 9987688), (4, 4993844), (8, 2496922), (16, 1248461), (47, 425008), (94, 212504), (101, 197776), (188, 106252), (202, 98888), (263, 75952), (376, 53126), (404, 49444), (526, 37976), (752, 26563), (808, 24722), (1052, 18988), (1616, 12361), (2104, 9494), (4208, 4747)]