16680252

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 24647748

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 149, 228, 298, 447, 491, 596, 894, 982, 1473, 1788, 1964, 2831, 2946, 5662, 5892, 8493, 9329, 11324, 16986, 18658, 27987, 33972, 37316, 55974, 73159, 111948, 146318, 219477, 292636, 438954, 877908, 1390021, 2780042, 4170063, 5560084, 8340126, 16680252]

約数ペア:

[(1, 16680252), (2, 8340126), (3, 5560084), (4, 4170063), (6, 2780042), (12, 1390021), (19, 877908), (38, 438954), (57, 292636), (76, 219477), (114, 146318), (149, 111948), (228, 73159), (298, 55974), (447, 37316), (491, 33972), (596, 27987), (894, 18658), (982, 16986), (1473, 11324), (1788, 9329), (1964, 8493), (2831, 5892), (2946, 5662)]