189898996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{18787}}^1$

素因数の和:18836

約数の個数: 36

約数和(自身を含む): 400860768

約数和(自身を除く): 210961772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 18787, 37574, 75148, 131509, 263018, 356953, 526036, 713906, 1427812, 2498671, 4997342, 6782107, 9994684, 13564214, 27128428, 47474749, 94949498, 189898996]

約数ペア:

[(1, 189898996), (2, 94949498), (4, 47474749), (7, 27128428), (14, 13564214), (19, 9994684), (28, 6782107), (38, 4997342), (76, 2498671), (133, 1427812), (266, 713906), (361, 526036), (532, 356953), (722, 263018), (1444, 131509), (2527, 75148), (5054, 37574), (10108, 18787)]