19957972592016

素因数分解:

$2^4\times 3^2\times {\mathrm{647}}^1\times {\mathrm{214214887}}^1$

素因数の和:214215548

約数の個数: 60

約数和(自身を含む): 55940932711872

約数和(自身を除く): 35982960119856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 647, 1294, 1941, 2588, 3882, 5176, 5823, 7764, 10352, 11646, 15528, 23292, 31056, 46584, 93168, 214214887, 428429774, 642644661, 856859548, 1285289322, 1713719096, 1927933983, 2570578644, 3427438192, 3855867966, 5141157288, 7711735932, 10282314576, 15423471864, 30846943728, 138597031889, 277194063778, 415791095667, 554388127556, 831582191334, 1108776255112, 1247373287001, 1663164382668, 2217552510224, 2494746574002, 3326328765336, 4989493148004, 6652657530672, 9978986296008, 19957972592016]

約数ペア:

[(1, 19957972592016), (2, 9978986296008), (3, 6652657530672), (4, 4989493148004), (6, 3326328765336), (8, 2494746574002), (9, 2217552510224), (12, 1663164382668), (16, 1247373287001), (18, 1108776255112), (24, 831582191334), (36, 554388127556), (48, 415791095667), (72, 277194063778), (144, 138597031889), (647, 30846943728), (1294, 15423471864), (1941, 10282314576), (2588, 7711735932), (3882, 5141157288), (5176, 3855867966), (5823, 3427438192), (7764, 2570578644), (10352, 1927933983), (11646, 1713719096), (15528, 1285289322), (23292, 856859548), (31056, 642644661), (46584, 428429774), (93168, 214214887)]