20218246864

素因数分解:

$2^4\times {\mathrm{19}}^3\times {\mathrm{184231}}^1$

素因数の和:184296

約数の個数: 40

約数和(自身を含む): 41349030080

約数和(自身を除く): 21130783216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 6859, 13718, 27436, 54872, 109744, 184231, 368462, 736924, 1473848, 2947696, 3500389, 7000778, 14001556, 28003112, 56006224, 66507391, 133014782, 266029564, 532059128, 1064118256, 1263640429, 2527280858, 5054561716, 10109123432, 20218246864]

約数ペア:

[(1, 20218246864), (2, 10109123432), (4, 5054561716), (8, 2527280858), (16, 1263640429), (19, 1064118256), (38, 532059128), (76, 266029564), (152, 133014782), (304, 66507391), (361, 56006224), (722, 28003112), (1444, 14001556), (2888, 7000778), (5776, 3500389), (6859, 2947696), (13718, 1473848), (27436, 736924), (54872, 368462), (109744, 184231)]